381354688896 has 64 divisors (see below), whose sum is σ = 1014773209920. Its totient is φ = 126892370432.

The previous prime is 381354688879. The next prime is 381354688919. The reversal of 381354688896 is 698886453183.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 381354688896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665790 + ... + 1098173.

It is an arithmetic number, because the mean of its divisors is an integer number (15855831405).

Almost surely, 2^381354688896 is an apocalyptic number.

It is an amenable number.

381354688896 is an abundant number, since it is smaller than the sum of its proper divisors (633418521024).

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

381354688896 is a wasteful number, since it uses less digits than its factorization.

381354688896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764543 (or 1764531 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 69.

The spelling of 381354688896 in words is "three hundred eighty-one billion, three hundred fifty-four million, six hundred eighty-eight thousand, eight hundred ninety-six".