379779086993 has 2 divisors, whose sum is σ = 379779086994. Its totient is φ = 379779086992.

The previous prime is 379779086909. The next prime is 379779087011. The reversal of 379779086993 is 399680977973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331998373249 + 47780713744 = 576193^2 + 218588^2 .

It is a cyclic number.

It is not a de Polignac number, because 379779086993 - 2⁸ = 379779086737 is a prime.

It is not a weakly prime, because it can be changed into another prime (379779082993) 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 as a sum of consecutive naturals, namely, 189889543496 + 189889543497.

It is an arithmetic number, because the mean of its divisors is an integer number (189889543497).

Almost surely, 2^379779086993 is an apocalyptic number.

It is an amenable number.

379779086993 is a deficient number, since it is larger than the sum of its proper divisors (1).

379779086993 is an equidigital number, since it uses as much as digits as its factorization.

379779086993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972182736, while the sum is 77.

The spelling of 379779086993 in words is "three hundred seventy-nine billion, seven hundred seventy-nine million, eighty-six thousand, nine hundred ninety-three".