420057192179 has 2 divisors, whose sum is σ = 420057192180. Its totient is φ = 420057192178.

The previous prime is 420057192161. The next prime is 420057192229. The reversal of 420057192179 is 971291750024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420057192179 is a prime.

It is not a weakly prime, because it can be changed into another prime (420057192109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210028596089 + 210028596090.

It is an arithmetic number, because the mean of its divisors is an integer number (210028596090).

Almost surely, 2^420057192179 is an apocalyptic number.

420057192179 is a deficient number, since it is larger than the sum of its proper divisors (1).

420057192179 is an equidigital number, since it uses as much as digits as its factorization.

420057192179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 420057192179 in words is "four hundred twenty billion, fifty-seven million, one hundred ninety-two thousand, one hundred seventy-nine".