10494158481 has 9 divisors (see below), whose sum is σ = 15158672841. Its totient is φ = 6995900772.

The previous prime is 10494158473. The next prime is 10494158491. The reversal of 10494158481 is 18485149401.

The square root of 10494158481 is 102441.

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

10494158481 is a `hidden beast` number, since 1 + 0 + 494 + 1 + 5 + 84 + 81 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10494158481 - 2³ = 10494158473 is a prime.

It is a super-2 number, since 2×10494158481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10494158431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 290250 + ... + 324396.

Almost surely, 2^10494158481 is an apocalyptic number.

10494158481 is the 102441-st square number.

10494158481 is the 51221-st centered octagonal number.

It is an amenable number.

10494158481 is a deficient number, since it is larger than the sum of its proper divisors (4664514360).

10494158481 is an frugal number, since it uses more digits than its factorization.

10494158481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68300 (or 34150 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 10494158481 in words is "ten billion, four hundred ninety-four million, one hundred fifty-eight thousand, four hundred eighty-one".