641886030814 has 32 divisors (see below), whose sum is σ = 1195654809600. Its totient is φ = 252208429920.

The previous prime is 641886030701. The next prime is 641886030823. The reversal of 641886030814 is 418030688146.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38912809 + ... + 38929300.

It is an arithmetic number, because the mean of its divisors is an integer number (37364212800).

Almost surely, 2^641886030814 is an apocalyptic number.

641886030814 is a deficient number, since it is larger than the sum of its proper divisors (553768778786).

641886030814 is a wasteful number, since it uses less digits than its factorization.

641886030814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77842168.

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 641886030814 in words is "six hundred forty-one billion, eight hundred eighty-six million, thirty thousand, eight hundred fourteen".