195042514679 has 4 divisors (see below), whose sum is σ = 195121258584. Its totient is φ = 194963770776.

The previous prime is 195042514657. The next prime is 195042514687. The reversal of 195042514679 is 976415240591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195042514679 - 2¹⁶ = 195042449143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195042514679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195042514609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39368237 + ... + 39373190.

It is an arithmetic number, because the mean of its divisors is an integer number (48780314646).

Almost surely, 2^195042514679 is an apocalyptic number.

195042514679 is a deficient number, since it is larger than the sum of its proper divisors (78743905).

195042514679 is an equidigital number, since it uses as much as digits as its factorization.

195042514679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78743904.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 195042514679 in words is "one hundred ninety-five billion, forty-two million, five hundred fourteen thousand, six hundred seventy-nine".