195472512239 has 2 divisors, whose sum is σ = 195472512240. Its totient is φ = 195472512238.

The previous prime is 195472512229. The next prime is 195472512329. The reversal of 195472512239 is 932215274591.

Together with next prime (195472512329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195472512239 - 2²⁴ = 195455735023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195472512229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97736256119 + 97736256120.

It is an arithmetic number, because the mean of its divisors is an integer number (97736256120).

Almost surely, 2^195472512239 is an apocalyptic number.

195472512239 is a deficient number, since it is larger than the sum of its proper divisors (1).

195472512239 is an equidigital number, since it uses as much as digits as its factorization.

195472512239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The spelling of 195472512239 in words is "one hundred ninety-five billion, four hundred seventy-two million, five hundred twelve thousand, two hundred thirty-nine".