10402112939 has 4 divisors (see below), whose sum is σ = 10557368424. Its totient is φ = 10246857456.

The previous prime is 10402112891. The next prime is 10402112947. The reversal of 10402112939 is 93921120401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10402112939 - 2²⁸ = 10133677483 is a prime.

It is a super-2 number, since 2×10402112939² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10402112339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77627642 + ... + 77627775.

It is an arithmetic number, because the mean of its divisors is an integer number (2639342106).

Almost surely, 2^10402112939 is an apocalyptic number.

10402112939 is a deficient number, since it is larger than the sum of its proper divisors (155255485).

10402112939 is an equidigital number, since it uses as much as digits as its factorization.

10402112939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155255484.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 10402112939 in words is "ten billion, four hundred two million, one hundred twelve thousand, nine hundred thirty-nine".