195694819428 has 24 divisors (see below), whose sum is σ = 456631227360. Its totient is φ = 65230180480.

The previous prime is 195694819391. The next prime is 195694819487. The reversal of 195694819428 is 824918496591.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 495388 + ... + 797996.

It is an arithmetic number, because the mean of its divisors is an integer number (19026301140).

Almost surely, 2^195694819428 is an apocalyptic number.

It is an amenable number.

195694819428 is an abundant number, since it is smaller than the sum of its proper divisors (260936407932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195694819428 is a wasteful number, since it uses less digits than its factorization.

195694819428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356507 (or 356505 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 66.

The spelling of 195694819428 in words is "one hundred ninety-five billion, six hundred ninety-four million, eight hundred nineteen thousand, four hundred twenty-eight".