195056445579 has 16 divisors (see below), whose sum is σ = 260451408672. Its totient is φ = 129849689088.

The previous prime is 195056445557. The next prime is 195056445593. The reversal of 195056445579 is 975544650591.

It is not a de Polignac number, because 195056445579 - 2²⁰ = 195055397003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195056445539) 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 in 15 ways as a sum of consecutive naturals, for example, 6462427 + ... + 6492539.

It is an arithmetic number, because the mean of its divisors is an integer number (16278213042).

Almost surely, 2^195056445579 is an apocalyptic number.

195056445579 is a deficient number, since it is larger than the sum of its proper divisors (65394963093).

195056445579 is a wasteful number, since it uses less digits than its factorization.

195056445579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33166.

The product of its (nonzero) digits is 34020000, while the sum is 60.

The spelling of 195056445579 in words is "one hundred ninety-five billion, fifty-six million, four hundred forty-five thousand, five hundred seventy-nine".