500221805396 has 6 divisors (see below), whose sum is σ = 875388159450. Its totient is φ = 250110902696.

The previous prime is 500221805389. The next prime is 500221805407. The reversal of 500221805396 is 693508122005.

It can be written as a sum of positive squares in only one way, i.e., 476624544400 + 23597260996 = 690380^2 + 153614^2 .

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 as a sum of consecutive naturals, namely, 62527725671 + ... + 62527725678.

It is an arithmetic number, because the mean of its divisors is an integer number (145898026575).

Almost surely, 2^500221805396 is an apocalyptic number.

It is an amenable number.

500221805396 is a deficient number, since it is larger than the sum of its proper divisors (375166354054).

500221805396 is a wasteful number, since it uses less digits than its factorization.

500221805396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125055451353 (or 125055451351 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 500221805396 in words is "five hundred billion, two hundred twenty-one million, eight hundred five thousand, three hundred ninety-six".