381783108996 has 45 divisors (see below), whose sum is σ = 998085536679. Its totient is φ = 127257329016.

The previous prime is 381783108983. The next prime is 381783109003. The reversal of 381783108996 is 699801387183.

The square root of 381783108996 is 617886.

It is a perfect power (a square), and thus also a powerful number.

381783108996 is a `hidden beast` number, since 381 + 7 + 83 + 10 + 89 + 96 = 666.

It is a super-2 number, since 2×381783108996² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11104785 + ... + 11139111.

Almost surely, 2^381783108996 is an apocalyptic number.

381783108996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

381783108996 is the 617886-th square number.

It is an amenable number.

381783108996 is an abundant number, since it is smaller than the sum of its proper divisors (616302427683).

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

381783108996 is an frugal number, since it uses more digits than its factorization.

381783108996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68670 (or 34332 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 381783108996 in words is "three hundred eighty-one billion, seven hundred eighty-three million, one hundred eight thousand, nine hundred ninety-six".