381652263768 has 32 divisors (see below), whose sum is σ = 969772149360. Its totient is φ = 125131889280.

The previous prime is 381652263659. The next prime is 381652263779. The reversal of 381652263768 is 867362256183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130344255 + ... + 130347182.

Almost surely, 2^381652263768 is an apocalyptic number.

It is an amenable number.

381652263768 is an abundant number, since it is smaller than the sum of its proper divisors (588119885592).

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

381652263768 is a wasteful number, since it uses less digits than its factorization.

381652263768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260691507 (or 260691503 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 381652263768 in words is "three hundred eighty-one billion, six hundred fifty-two million, two hundred sixty-three thousand, seven hundred sixty-eight".