641307875475 has 48 divisors (see below), whose sum is σ = 1126809308160. Its totient is φ = 320723366400.

The previous prime is 641307875437. The next prime is 641307875503. The reversal of 641307875475 is 574578703146.

It is not a de Polignac number, because 641307875475 - 2⁷ = 641307875347 is a prime.

It is a super-2 number, since 2×641307875475² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 582495 + ... + 1273544.

It is an arithmetic number, because the mean of its divisors is an integer number (23475193920).

Almost surely, 2^641307875475 is an apocalyptic number.

641307875475 is a deficient number, since it is larger than the sum of its proper divisors (485501432685).

641307875475 is a wasteful number, since it uses less digits than its factorization.

641307875475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856340 (or 1856335 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 57.

The spelling of 641307875475 in words is "six hundred forty-one billion, three hundred seven million, eight hundred seventy-five thousand, four hundred seventy-five".