381031444379 has 2 divisors, whose sum is σ = 381031444380. Its totient is φ = 381031444378.

The previous prime is 381031444327. The next prime is 381031444411. The reversal of 381031444379 is 973444130183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381031444379 is a prime.

It is not a weakly prime, because it can be changed into another prime (381031444679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190515722189 + 190515722190.

It is an arithmetic number, because the mean of its divisors is an integer number (190515722190).

Almost surely, 2^381031444379 is an apocalyptic number.

381031444379 is a deficient number, since it is larger than the sum of its proper divisors (1).

381031444379 is an equidigital number, since it uses as much as digits as its factorization.

381031444379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 381031444379 in words is "three hundred eighty-one billion, thirty-one million, four hundred forty-four thousand, three hundred seventy-nine".