381619982179836 has 48 divisors (see below), whose sum is σ = 1016125277886880. Its totient is φ = 123768642867840.

The previous prime is 381619982179823. The next prime is 381619982179837. The reversal of 381619982179836 is 638971289916183.

381619982179836 is a `hidden beast` number, since 381 + 6 + 1 + 9 + 98 + 2 + 1 + 79 + 83 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381619982179837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47750244025 + ... + 47750252016.

Almost surely, 2^{381619982179836} is an apocalyptic number.

381619982179836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

381619982179836 is an abundant number, since it is smaller than the sum of its proper divisors (634505295707044).

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

381619982179836 is a wasteful number, since it uses less digits than its factorization.

381619982179836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95500496091 (or 95500496083 counting only the distinct ones).

The product of its digits is 1693052928, while the sum is 81.

The spelling of 381619982179836 in words is "three hundred eighty-one trillion, six hundred nineteen billion, nine hundred eighty-two million, one hundred seventy-nine thousand, eight hundred thirty-six".