7809913934 has 16 divisors (see below), whose sum is σ = 12426686928. Its totient is φ = 3668525952.

The previous prime is 7809913831. The next prime is 7809913999. The reversal of 7809913934 is 4393199087.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191369 + ... + 228564.

It is an arithmetic number, because the mean of its divisors is an integer number (776667933).

Almost surely, 2^7809913934 is an apocalyptic number.

7809913934 is a deficient number, since it is larger than the sum of its proper divisors (4616772994).

7809913934 is a wasteful number, since it uses less digits than its factorization.

7809913934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420499.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 7809913934 is about 88373.7174390667. The cubic root of 7809913934 is about 1984.0323508575.

The spelling of 7809913934 in words is "seven billion, eight hundred nine million, nine hundred thirteen thousand, nine hundred thirty-four".