636413630045234 has 8 divisors (see below), whose sum is σ = 954917927297820. Its totient is φ = 318107654279296.

The previous prime is 636413630045227. The next prime is 636413630045257. The reversal of 636413630045234 is 432540036314636.

It can be written as a sum of positive squares in 2 ways, for example, as 629407894528009 + 7005735517225 = 25088003^2 + 2646835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×636413630045234² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49580363639 + ... + 49580376474.

Almost surely, 2^{636413630045234} is an apocalyptic number.

636413630045234 is a deficient number, since it is larger than the sum of its proper divisors (318504297252586).

636413630045234 is a wasteful number, since it uses less digits than its factorization.

636413630045234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99160743324.

The product of its (nonzero) digits is 11197440, while the sum is 50.

The spelling of 636413630045234 in words is "six hundred thirty-six trillion, four hundred thirteen billion, six hundred thirty million, forty-five thousand, two hundred thirty-four".