634453354436 has 24 divisors (see below), whose sum is σ = 1213380562464. Its totient is φ = 287875642880.

The previous prime is 634453354399. The next prime is 634453354441.

634453354436 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12781085 + ... + 12830628.

It is an arithmetic number, because the mean of its divisors is an integer number (50557523436).

Almost surely, 2^634453354436 is an apocalyptic number.

It is an amenable number.

634453354436 is a deficient number, since it is larger than the sum of its proper divisors (578927208028).

634453354436 is a wasteful number, since it uses less digits than its factorization.

634453354436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25612291 (or 25612289 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 50.

It can be divided in two parts, 634453 and 354436, that added together give a palindrome (988889).

The spelling of 634453354436 in words is "six hundred thirty-four billion, four hundred fifty-three million, three hundred fifty-four thousand, four hundred thirty-six".