34390808765 has 16 divisors (see below), whose sum is σ = 43267395456. Its totient is φ = 26191704000.

The previous prime is 34390808759. The next prime is 34390808779. The reversal of 34390808765 is 56780809343.

It is not a de Polignac number, because 34390808765 - 2⁸ = 34390808509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684386 + ... + 732915.

It is an arithmetic number, because the mean of its divisors is an integer number (2704212216).

Almost surely, 2^34390808765 is an apocalyptic number.

It is an amenable number.

34390808765 is a deficient number, since it is larger than the sum of its proper divisors (8876586691).

34390808765 is a wasteful number, since it uses less digits than its factorization.

34390808765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417540.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 34390808765 in words is "thirty-four billion, three hundred ninety million, eight hundred eight thousand, seven hundred sixty-five".