641630462 has 16 divisors (see below), whose sum is σ = 1059577200. Its totient is φ = 288973440.

The previous prime is 641630449. The next prime is 641630489. The reversal of 641630462 is 264036146.

It is a congruent number.

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, 131387 + ... + 136182.

It is an arithmetic number, because the mean of its divisors is an integer number (66223575).

Almost surely, 2^641630462 is an apocalyptic number.

641630462 is a deficient number, since it is larger than the sum of its proper divisors (417946738).

641630462 is a wasteful number, since it uses less digits than its factorization.

641630462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267691.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 641630462 is about 25330.4256182165. The cubic root of 641630462 is about 862.5050729100.

The spelling of 641630462 in words is "six hundred forty-one million, six hundred thirty thousand, four hundred sixty-two".