641504422376 has 16 divisors (see below), whose sum is σ = 1218046372800. Its totient is φ = 316692056304.

The previous prime is 641504422337. The next prime is 641504422381. The reversal of 641504422376 is 673224405146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507518690 + ... + 507519953.

It is an arithmetic number, because the mean of its divisors is an integer number (76127898300).

Almost surely, 2^641504422376 is an apocalyptic number.

It is an amenable number.

641504422376 is a deficient number, since it is larger than the sum of its proper divisors (576541950424).

641504422376 is a wasteful number, since it uses less digits than its factorization.

641504422376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015038728 (or 1015038724 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 641504422376 in words is "six hundred forty-one billion, five hundred four million, four hundred twenty-two thousand, three hundred seventy-six".