634475574436 has 48 divisors (see below), whose sum is σ = 1254936876480. Its totient is φ = 278031600000.

The previous prime is 634475574433. The next prime is 634475574457.

It is a happy number.

634475574436 is nontrivially palindromic in base 10.

634475574436 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 (58).

It is not an unprimeable number, because it can be changed into a prime (634475574433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467311 + ... + 1219561.

It is an arithmetic number, because the mean of its divisors is an integer number (26144518260).

Almost surely, 2^634475574436 is an apocalyptic number.

It is an amenable number.

634475574436 is a deficient number, since it is larger than the sum of its proper divisors (620461302044).

634475574436 is a wasteful number, since it uses less digits than its factorization.

634475574436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752956 (or 752954 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 58.

The spelling of 634475574436 in words is "six hundred thirty-four billion, four hundred seventy-five million, five hundred seventy-four thousand, four hundred thirty-six".