10439805697 has 16 divisors (see below), whose sum is σ = 10747199232. Its totient is φ = 10135560960.

The previous prime is 10439805661. The next prime is 10439805709. The reversal of 10439805697 is 79650893401.

It is a happy number.

It is not a de Polignac number, because 10439805697 - 2¹⁵ = 10439772929 is a prime.

It is a super-2 number, since 2×10439805697² (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 (10439805617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5874073 + ... + 5875849.

It is an arithmetic number, because the mean of its divisors is an integer number (671699952).

Almost surely, 2^10439805697 is an apocalyptic number.

It is an amenable number.

10439805697 is a deficient number, since it is larger than the sum of its proper divisors (307393535).

10439805697 is a wasteful number, since it uses less digits than its factorization.

10439805697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 10439805697 in words is "ten billion, four hundred thirty-nine million, eight hundred five thousand, six hundred ninety-seven".