43612221634 has 32 divisors (see below), whose sum is σ = 72929937600. Its totient is φ = 19438456320.

The previous prime is 43612221551. The next prime is 43612221703.

43612221634 is nontrivially palindromic in base 10.

43612221634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 43612221634.

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, 4731222 + ... + 4740430.

It is an arithmetic number, because the mean of its divisors is an integer number (2279060550).

Almost surely, 2^43612221634 is an apocalyptic number.

43612221634 is a deficient number, since it is larger than the sum of its proper divisors (29317715966).

43612221634 is a wasteful number, since it uses less digits than its factorization.

43612221634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16578.

The product of its digits is 41472, while the sum is 34.

The spelling of 43612221634 in words is "forty-three billion, six hundred twelve million, two hundred twenty-one thousand, six hundred thirty-four".