195266973079 has 2 divisors, whose sum is σ = 195266973080. Its totient is φ = 195266973078.

The previous prime is 195266972987. The next prime is 195266973149. The reversal of 195266973079 is 970379662591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195266973079 - 2⁷ = 195266972951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195266973079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195266973779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97633486539 + 97633486540.

It is an arithmetic number, because the mean of its divisors is an integer number (97633486540).

Almost surely, 2^195266973079 is an apocalyptic number.

195266973079 is a deficient number, since it is larger than the sum of its proper divisors (1).

195266973079 is an equidigital number, since it uses as much as digits as its factorization.

195266973079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38578680, while the sum is 64.

The spelling of 195266973079 in words is "one hundred ninety-five billion, two hundred sixty-six million, nine hundred seventy-three thousand, seventy-nine".