10392509871 has 10 divisors (see below), whose sum is σ = 15524613632. Its totient is φ = 6928339860.

The previous prime is 10392509867. The next prime is 10392509923. The reversal of 10392509871 is 17890529301.

It is not a de Polignac number, because 10392509871 - 2² = 10392509867 is a prime.

It is a super-2 number, since 2×10392509871² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10392509801) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64151215 + ... + 64151376.

Almost surely, 2^10392509871 is an apocalyptic number.

10392509871 is a deficient number, since it is larger than the sum of its proper divisors (5132103761).

10392509871 is an equidigital number, since it uses as much as digits as its factorization.

10392509871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128302603 (or 128302594 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 10392509871 in words is "ten billion, three hundred ninety-two million, five hundred nine thousand, eight hundred seventy-one".