381069813876 has 12 divisors (see below), whose sum is σ = 889162899072. Its totient is φ = 127023271288.

The previous prime is 381069813847. The next prime is 381069813877. The reversal of 381069813876 is 678318960183.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381069813877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15877908900 + ... + 15877908923.

It is an arithmetic number, because the mean of its divisors is an integer number (74096908256).

Almost surely, 2^381069813876 is an apocalyptic number.

It is an amenable number.

381069813876 is an abundant number, since it is smaller than the sum of its proper divisors (508093085196).

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

381069813876 is a wasteful number, since it uses less digits than its factorization.

381069813876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31755817830 (or 31755817828 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 381069813876 in words is "three hundred eighty-one billion, sixty-nine million, eight hundred thirteen thousand, eight hundred seventy-six".