634435424534436 has 48 divisors (see below), whose sum is σ = 1692131921485824. Its totient is φ = 181234679574816.

The previous prime is 634435424534369. The next prime is 634435424534449.

634435424534436 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 634435424534436.

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, 678375300 + ... + 679309883.

It is an arithmetic number, because the mean of its divisors is an integer number (35252748364288).

Almost surely, 2^{634435424534436} is an apocalyptic number.

It is an amenable number.

634435424534436 is an abundant number, since it is smaller than the sum of its proper divisors (1057696496951388).

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

634435424534436 is a wasteful number, since it uses less digits than its factorization.

634435424534436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357690760 (or 1357690758 counting only the distinct ones).

The product of its digits is 597196800, while the sum is 60.

The spelling of 634435424534436 in words is "six hundred thirty-four trillion, four hundred thirty-five billion, four hundred twenty-four million, five hundred thirty-four thousand, four hundred thirty-six".