195361889788 has 48 divisors (see below), whose sum is σ = 369561909024. Its totient is φ = 89829446400.

The previous prime is 195361889771. The next prime is 195361889843. The reversal of 195361889788 is 887988163591.

It is a self number, because there is not a number n which added to its sum of digits gives 195361889788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46993806 + ... + 46997962.

It is an arithmetic number, because the mean of its divisors is an integer number (7699206438).

Almost surely, 2^195361889788 is an apocalyptic number.

It is an amenable number.

195361889788 is a deficient number, since it is larger than the sum of its proper divisors (174200019236).

195361889788 is a wasteful number, since it uses less digits than its factorization.

195361889788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342 (or 7340 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 73.

The spelling of 195361889788 in words is "one hundred ninety-five billion, three hundred sixty-one million, eight hundred eighty-nine thousand, seven hundred eighty-eight".