10493181402781 has 48 divisors (see below), whose sum is σ = 13405634822272. Its totient is φ = 8038214807040.

The previous prime is 10493181402709. The next prime is 10493181402797. The reversal of 10493181402781 is 18720418139401.

10493181402781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10493181402781 - 2¹³ = 10493181394589 is a prime.

It is a super-2 number, since 2×10493181402781² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10493181402701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18705721 + ... + 19258513.

Almost surely, 2^{10493181402781} is an apocalyptic number.

10493181402781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10493181402781 is a deficient number, since it is larger than the sum of its proper divisors (2912453419491).

10493181402781 is a wasteful number, since it uses less digits than its factorization.

10493181402781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553202 (or 553191 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 10493181402781 in words is "ten trillion, four hundred ninety-three billion, one hundred eighty-one million, four hundred two thousand, seven hundred eighty-one".