381791902967 has 2 divisors, whose sum is σ = 381791902968. Its totient is φ = 381791902966.

The previous prime is 381791902949. The next prime is 381791903033. The reversal of 381791902967 is 769209197183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381791902967 - 2¹⁰ = 381791901943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381791902067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190895951483 + 190895951484.

It is an arithmetic number, because the mean of its divisors is an integer number (190895951484).

Almost surely, 2^381791902967 is an apocalyptic number.

381791902967 is a deficient number, since it is larger than the sum of its proper divisors (1).

381791902967 is an equidigital number, since it uses as much as digits as its factorization.

381791902967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The spelling of 381791902967 in words is "three hundred eighty-one billion, seven hundred ninety-one million, nine hundred two thousand, nine hundred sixty-seven".