38502781644812 has 24 divisors (see below), whose sum is σ = 69072359123376. Its totient is φ = 18772278752448.

The previous prime is 38502781644793. The next prime is 38502781644871. The reversal of 38502781644812 is 21844618720583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557072483 + ... + 557141594.

It is an arithmetic number, because the mean of its divisors is an integer number (2878014963474).

Almost surely, 2^{38502781644812} is an apocalyptic number.

It is an amenable number.

38502781644812 is a deficient number, since it is larger than the sum of its proper divisors (30569577478564).

38502781644812 is a wasteful number, since it uses less digits than its factorization.

38502781644812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114214297 (or 1114214295 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 38502781644812 in words is "thirty-eight trillion, five hundred two billion, seven hundred eighty-one million, six hundred forty-four thousand, eight hundred twelve".