500433396638 has 24 divisors (see below), whose sum is σ = 903315742200. Its totient is φ = 207075887088.

The previous prime is 500433396539. The next prime is 500433396647. The reversal of 500433396638 is 836693334005.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 88039628 + ... + 88045311.

It is an arithmetic number, because the mean of its divisors is an integer number (37638155925).

Almost surely, 2^500433396638 is an apocalyptic number.

500433396638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

500433396638 is a deficient number, since it is larger than the sum of its proper divisors (402882345562).

500433396638 is a wasteful number, since it uses less digits than its factorization.

500433396638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176084984 (or 176084977 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 500433396638 in words is "five hundred billion, four hundred thirty-three million, three hundred ninety-six thousand, six hundred thirty-eight".