641013316 has 12 divisors (see below), whose sum is σ = 1135289232. Its totient is φ = 316644968.

The previous prime is 641013299. The next prime is 641013349. The reversal of 641013316 is 613310146.

It is a happy number.

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, 965050 + ... + 965713.

It is an arithmetic number, because the mean of its divisors is an integer number (94607436).

Almost surely, 2^641013316 is an apocalyptic number.

It is an amenable number.

641013316 is a deficient number, since it is larger than the sum of its proper divisors (494275916).

641013316 is a wasteful number, since it uses less digits than its factorization.

641013316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930850 (or 1930848 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 641013316 is about 25318.2407761677. The cubic root of 641013316 is about 862.2284535066.

The spelling of 641013316 in words is "six hundred forty-one million, thirteen thousand, three hundred sixteen".