381172715764 has 6 divisors (see below), whose sum is σ = 667052252594. Its totient is φ = 190586357880.

The previous prime is 381172715753. The next prime is 381172715783. The reversal of 381172715764 is 467517271183.

It can be written as a sum of positive squares in only one way, i.e., 347887632400 + 33285083364 = 589820^2 + 182442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47646589467 + ... + 47646589474.

Almost surely, 2^381172715764 is an apocalyptic number.

It is an amenable number.

381172715764 is a deficient number, since it is larger than the sum of its proper divisors (285879536830).

381172715764 is a wasteful number, since it uses less digits than its factorization.

381172715764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95293178945 (or 95293178943 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 52.

The spelling of 381172715764 in words is "three hundred eighty-one billion, one hundred seventy-two million, seven hundred fifteen thousand, seven hundred sixty-four".