641514631005 has 48 divisors (see below), whose sum is σ = 1215347687424. Its totient is φ = 311627589120.

The previous prime is 641514630947. The next prime is 641514631061. The reversal of 641514631005 is 500136415146.

641514631005 is a `hidden beast` number, since 6 + 4 + 1 + 5 + 14 + 631 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 641514631005 - 2⁸ = 641514630749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13501789 + ... + 13549218.

It is an arithmetic number, because the mean of its divisors is an integer number (25319743488).

Almost surely, 2^641514631005 is an apocalyptic number.

It is an amenable number.

641514631005 is a deficient number, since it is larger than the sum of its proper divisors (573833056419).

641514631005 is a wasteful number, since it uses less digits than its factorization.

641514631005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27051066 (or 27051063 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 641514631005 in words is "six hundred forty-one billion, five hundred fourteen million, six hundred thirty-one thousand, five".