195019423964 has 12 divisors (see below), whose sum is σ = 343544151888. Its totient is φ = 96863952000.

The previous prime is 195019423927. The next prime is 195019423981. The reversal of 195019423964 is 469324910591.

195019423964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161439317 + ... + 161440524.

It is an arithmetic number, because the mean of its divisors is an integer number (28628679324).

Almost surely, 2^195019423964 is an apocalyptic number.

It is an amenable number.

195019423964 is a deficient number, since it is larger than the sum of its proper divisors (148524727924).

195019423964 is a wasteful number, since it uses less digits than its factorization.

195019423964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322879996 (or 322879994 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 195019423964 in words is "one hundred ninety-five billion, nineteen million, four hundred twenty-three thousand, nine hundred sixty-four".