381881573692 has 12 divisors (see below), whose sum is σ = 668297475720. Its totient is φ = 190939437776.

The previous prime is 381881573659. The next prime is 381881573701. The reversal of 381881573692 is 296375188183.

It is a self number, because there is not a number n which added to its sum of digits gives 381881573692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572034 + ... + 1044502.

It is an arithmetic number, because the mean of its divisors is an integer number (55691456310).

Almost surely, 2^381881573692 is an apocalyptic number.

It is an amenable number.

381881573692 is a deficient number, since it is larger than the sum of its proper divisors (286415902028).

381881573692 is a wasteful number, since it uses less digits than its factorization.

381881573692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674540 (or 674538 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 61.

The spelling of 381881573692 in words is "three hundred eighty-one billion, eight hundred eighty-one million, five hundred seventy-three thousand, six hundred ninety-two".