381614909568 has 32 divisors (see below), whose sum is σ = 1013664604560. Its totient is φ = 127204969728.

The previous prime is 381614909497. The next prime is 381614909591. The reversal of 381614909568 is 865909416183.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496894030 + ... + 496894797.

Almost surely, 2^381614909568 is an apocalyptic number.

It is an amenable number.

381614909568 is an abundant number, since it is smaller than the sum of its proper divisors (632049694992).

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

381614909568 is an equidigital number, since it uses as much as digits as its factorization.

381614909568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993788844 (or 993788832 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 381614909568 in words is "three hundred eighty-one billion, six hundred fourteen million, nine hundred nine thousand, five hundred sixty-eight".