10494949847281 has 3 divisors (see below), whose sum is σ = 10494953086873. Its totient is φ = 10494946607690.

The previous prime is 10494949847269. The next prime is 10494949847293. The reversal of 10494949847281 is 18274894949401.

It is a happy number.

The square root of 10494949847281 is 3239591.

It is a perfect power (a square), and thus also a powerful number.

10494949847281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (10494949847269) and next prime (10494949847293).

It is a de Polignac number, because none of the positive numbers 2^k-10494949847281 is a prime.

It is a super-2 number, since 2×10494949847281² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10494949847281.

It is not an unprimeable number, because it can be changed into a prime (10494949847881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1619796 + ... + 4859386.

Almost surely, 2^{10494949847281} is an apocalyptic number.

10494949847281 is the 3239591-st square number.

10494949847281 is the 1619796-th centered octagonal number.

It is an amenable number.

10494949847281 is a deficient number, since it is larger than the sum of its proper divisors (3239592).

10494949847281 is an frugal number, since it uses more digits than its factorization.

10494949847281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479182 (or 3239591 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 70.

The spelling of 10494949847281 in words is "ten trillion, four hundred ninety-four billion, nine hundred forty-nine million, eight hundred forty-seven thousand, two hundred eighty-one".