379148782921 has 2 divisors, whose sum is σ = 379148782922. Its totient is φ = 379148782920.

The previous prime is 379148782891. The next prime is 379148782937. The reversal of 379148782921 is 129287841973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241311825225 + 137836957696 = 491235^2 + 371264^2 .

It is a cyclic number.

It is not a de Polignac number, because 379148782921 - 2⁹ = 379148782409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 379148782921.

It is not a weakly prime, because it can be changed into another prime (379148782021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189574391460 + 189574391461.

It is an arithmetic number, because the mean of its divisors is an integer number (189574391461).

Almost surely, 2^379148782921 is an apocalyptic number.

It is an amenable number.

379148782921 is a deficient number, since it is larger than the sum of its proper divisors (1).

379148782921 is an equidigital number, since it uses as much as digits as its factorization.

379148782921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 61.

The spelling of 379148782921 in words is "three hundred seventy-nine billion, one hundred forty-eight million, seven hundred eighty-two thousand, nine hundred twenty-one".