380940376391 has 4 divisors (see below), whose sum is σ = 387396993000. Its totient is φ = 374483759784.

The previous prime is 380940376381. The next prime is 380940376441. The reversal of 380940376391 is 193673049083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380940376391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380940376381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3228308216 + ... + 3228308333.

It is an arithmetic number, because the mean of its divisors is an integer number (96849248250).

Almost surely, 2^380940376391 is an apocalyptic number.

380940376391 is a deficient number, since it is larger than the sum of its proper divisors (6456616609).

380940376391 is an equidigital number, since it uses as much as digits as its factorization.

380940376391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456616608.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 380940376391 in words is "three hundred eighty billion, nine hundred forty million, three hundred seventy-six thousand, three hundred ninety-one".