641100430055 has 16 divisors (see below), whose sum is σ = 788658764544. Its totient is φ = 500006411520.

The previous prime is 641100430021. The next prime is 641100430073. The reversal of 641100430055 is 550034001146.

It is a happy number.

It is not a de Polignac number, because 641100430055 - 2⁸ = 641100429799 is a prime.

It is a super-2 number, since 2×641100430055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857399 + ... + 1420328.

It is an arithmetic number, because the mean of its divisors is an integer number (49291172784).

Almost surely, 2^641100430055 is an apocalyptic number.

641100430055 is a deficient number, since it is larger than the sum of its proper divisors (147558334489).

641100430055 is a wasteful number, since it uses less digits than its factorization.

641100430055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279146.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 641100430055 in words is "six hundred forty-one billion, one hundred million, four hundred thirty thousand, fifty-five".