381570943679 has 2 divisors, whose sum is σ = 381570943680. Its totient is φ = 381570943678.

The previous prime is 381570943669. The next prime is 381570943687. The reversal of 381570943679 is 976349075183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381570943679 - 2³⁶ = 312851466943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381570943619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190785471839 + 190785471840.

It is an arithmetic number, because the mean of its divisors is an integer number (190785471840).

Almost surely, 2^381570943679 is an apocalyptic number.

381570943679 is a deficient number, since it is larger than the sum of its proper divisors (1).

381570943679 is an equidigital number, since it uses as much as digits as its factorization.

381570943679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 381570943679 in words is "three hundred eighty-one billion, five hundred seventy million, nine hundred forty-three thousand, six hundred seventy-nine".