641887650030 has 32 divisors (see below), whose sum is σ = 1680578575488. Its totient is φ = 155609127200.

The previous prime is 641887649989. The next prime is 641887650083. The reversal of 641887650030 is 30056788146.

It is a super-2 number, since 2×641887650030² (a number of 24 digits) contains 22 as substring.

It is a Curzon 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, 972556716 + ... + 972557375.

It is an arithmetic number, because the mean of its divisors is an integer number (52518080484).

Almost surely, 2^641887650030 is an apocalyptic number.

641887650030 is an abundant number, since it is smaller than the sum of its proper divisors (1038690925458).

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

641887650030 is a wasteful number, since it uses less digits than its factorization.

641887650030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945114112.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 641887650030 in words is "six hundred forty-one billion, eight hundred eighty-seven million, six hundred fifty thousand, thirty".