641056023624563 has 8 divisors (see below), whose sum is σ = 641280023705376. Its totient is φ = 640832025736000.

The previous prime is 641056023624557. The next prime is 641056023624589. The reversal of 641056023624563 is 365426320650146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641056023624563 - 2⁴ = 641056023624547 is a prime.

It is a super-3 number, since 3×641056023624563³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641056023623563) 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, 775852193 + ... + 776678013.

It is an arithmetic number, because the mean of its divisors is an integer number (80160002963172).

Almost surely, 2^{641056023624563} is an apocalyptic number.

641056023624563 is a deficient number, since it is larger than the sum of its proper divisors (224000080813).

641056023624563 is a wasteful number, since it uses less digits than its factorization.

641056023624563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096125.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 641056023624563 in words is "six hundred forty-one trillion, fifty-six billion, twenty-three million, six hundred twenty-four thousand, five hundred sixty-three".