34639599620 has 12 divisors (see below), whose sum is σ = 72743159244. Its totient is φ = 13855839840.

The previous prime is 34639599613. The next prime is 34639599649. The reversal of 34639599620 is 2699593643.

It can be written as a sum of positive squares in 2 ways, for example, as 3776839936 + 30862759684 = 61456^2 + 175678^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865989971 + ... + 865990010.

It is an arithmetic number, because the mean of its divisors is an integer number (6061929937).

Almost surely, 2^34639599620 is an apocalyptic number.

It is an amenable number.

34639599620 is an abundant number, since it is smaller than the sum of its proper divisors (38103559624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34639599620 is a wasteful number, since it uses less digits than its factorization.

34639599620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731979990 (or 1731979988 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 56.

The spelling of 34639599620 in words is "thirty-four billion, six hundred thirty-nine million, five hundred ninety-nine thousand, six hundred twenty".