641227049463 has 256 divisors, whose sum is σ = 1229366476800. Its totient is φ = 288666892800.

The previous prime is 641227049431. The next prime is 641227049479. The reversal of 641227049463 is 364940722146.

641227049463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 641227049463 - 2⁵ = 641227049431 is a prime.

It is a super-2 number, since 2×641227049463² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641227049063) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 904410153 + ... + 904410861.

It is an arithmetic number, because the mean of its divisors is an integer number (4802212800).

Almost surely, 2^641227049463 is an apocalyptic number.

641227049463 is a deficient number, since it is larger than the sum of its proper divisors (588139427337).

641227049463 is a wasteful number, since it uses less digits than its factorization.

641227049463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 641227049463 in words is "six hundred forty-one billion, two hundred twenty-seven million, forty-nine thousand, four hundred sixty-three".