381437415376 has 10 divisors (see below), whose sum is σ = 739034992322. Its totient is φ = 190718707680.

The previous prime is 381437415349. The next prime is 381437415397. The reversal of 381437415376 is 673514734183.

It can be written as a sum of positive squares in only one way, i.e., 244629160000 + 136808255376 = 494600^2 + 369876^2 .

It is a super-2 number, since 2×381437415376² (a number of 24 digits) contains 22 as substring.

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, 11919919215 + ... + 11919919246.

Almost surely, 2^381437415376 is an apocalyptic number.

It is an amenable number.

381437415376 is a deficient number, since it is larger than the sum of its proper divisors (357597576946).

381437415376 is a wasteful number, since it uses less digits than its factorization.

381437415376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23839838469 (or 23839838463 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 381437415376 in words is "three hundred eighty-one billion, four hundred thirty-seven million, four hundred fifteen thousand, three hundred seventy-six".