641275662498 has 16 divisors (see below), whose sum is σ = 1357995520800. Its totient is φ = 201184521536.

The previous prime is 641275662493. The next prime is 641275662523. The reversal of 641275662498 is 894266572146.

It is a happy number.

It is a super-2 number, since 2×641275662498² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641275662493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143508048 + ... + 3143508251.

It is an arithmetic number, because the mean of its divisors is an integer number (84874720050).

Almost surely, 2^641275662498 is an apocalyptic number.

641275662498 is an abundant number, since it is smaller than the sum of its proper divisors (716719858302).

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

641275662498 is a wasteful number, since it uses less digits than its factorization.

641275662498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287016321.

The product of its digits is 34836480, while the sum is 60.

The spelling of 641275662498 in words is "six hundred forty-one billion, two hundred seventy-five million, six hundred sixty-two thousand, four hundred ninety-eight".