641704614 has 16 divisors (see below), whose sum is σ = 1283992320. Its totient is φ = 213804360.

The previous prime is 641704607. The next prime is 641704631. The reversal of 641704614 is 416407146.

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, 9274 + ... + 37005.

It is an arithmetic number, because the mean of its divisors is an integer number (80249520).

Almost surely, 2^641704614 is an apocalyptic number.

641704614 is an abundant number, since it is smaller than the sum of its proper divisors (642287706).

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

641704614 is a wasteful number, since it uses less digits than its factorization.

641704614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48595.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 641704614 is about 25331.8892702459. The cubic root of 641704614 is about 862.5382976483.

The spelling of 641704614 in words is "six hundred forty-one million, seven hundred four thousand, six hundred fourteen".