641360264235 has 16 divisors (see below), whose sum is σ = 1027565041920. Its totient is φ = 341595934560.

The previous prime is 641360264231. The next prime is 641360264257. The reversal of 641360264235 is 532462063146.

It is a happy number.

It is not a de Polignac number, because 641360264235 - 2² = 641360264231 is a prime.

It is a super-2 number, since 2×641360264235² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641360264231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28918111 + ... + 28940280.

It is an arithmetic number, because the mean of its divisors is an integer number (64222815120).

Almost surely, 2^641360264235 is an apocalyptic number.

641360264235 is a deficient number, since it is larger than the sum of its proper divisors (386204777685).

641360264235 is a wasteful number, since it uses less digits than its factorization.

641360264235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57859138.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 641360264235 in words is "six hundred forty-one billion, three hundred sixty million, two hundred sixty-four thousand, two hundred thirty-five".