504691938366 has 64 divisors (see below), whose sum is σ = 1277235578880. Its totient is φ = 129132257760.

The previous prime is 504691938353. The next prime is 504691938391. The reversal of 504691938366 is 663839196405.

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 31 ways as a sum of consecutive naturals, for example, 8121336 + ... + 8183243.

It is an arithmetic number, because the mean of its divisors is an integer number (19956805920).

Almost surely, 2^504691938366 is an apocalyptic number.

504691938366 is an abundant number, since it is smaller than the sum of its proper divisors (772543640514).

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

504691938366 is a wasteful number, since it uses less digits than its factorization.

504691938366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16304669.

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 504691938366 in words is "five hundred four billion, six hundred ninety-one million, nine hundred thirty-eight thousand, three hundred sixty-six".