43638083634 has 32 divisors (see below), whose sum is σ = 88649982144. Its totient is φ = 14318724800.

The previous prime is 43638083557. The next prime is 43638083641.

43638083634 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 103284 + ... + 312959.

It is an arithmetic number, because the mean of its divisors is an integer number (2770311942).

Almost surely, 2^43638083634 is an apocalyptic number.

43638083634 is an abundant number, since it is smaller than the sum of its proper divisors (45011898510).

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

43638083634 is a wasteful number, since it uses less digits than its factorization.

43638083634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416522.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 43638083634 in words is "forty-three billion, six hundred thirty-eight million, eighty-three thousand, six hundred thirty-four".