641597027100 has 36 divisors (see below), whose sum is σ = 1856354065944. Its totient is φ = 171092540480.

The previous prime is 641597027069. The next prime is 641597027131. The reversal of 641597027100 is 1720795146.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (641597027069) and next prime (641597027131).

It is a super-3 number, since 3×641597027100³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069328079 + ... + 1069328678.

Almost surely, 2^641597027100 is an apocalyptic number.

641597027100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

641597027100 is an abundant number, since it is smaller than the sum of its proper divisors (1214757038844).

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

641597027100 is a wasteful number, since it uses less digits than its factorization.

641597027100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138656774 (or 2138656767 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 641597027100 in words is "six hundred forty-one billion, five hundred ninety-seven million, twenty-seven thousand, one hundred".