641312596 has 12 divisors (see below), whose sum is σ = 1130865120. Its totient is φ = 318208280.

The previous prime is 641312587. The next prime is 641312597. The reversal of 641312596 is 695213146.

641312596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641312596² = 822563691576518432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641312597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611416 + ... + 612463.

It is an arithmetic number, because the mean of its divisors is an integer number (94238760).

Almost surely, 2^641312596 is an apocalyptic number.

It is an amenable number.

641312596 is a deficient number, since it is larger than the sum of its proper divisors (489552524).

641312596 is a wasteful number, since it uses less digits than its factorization.

641312596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224014 (or 1224012 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 641312596 is about 25324.1504497189. The cubic root of 641312596 is about 862.3626200291.

The spelling of 641312596 in words is "six hundred forty-one million, three hundred twelve thousand, five hundred ninety-six".