195097942900 has 36 divisors (see below), whose sum is σ = 483842900128. Its totient is φ = 66890723040.

The previous prime is 195097942861. The next prime is 195097942937. The reversal of 195097942900 is 9249790591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139354974 + ... + 139356373.

Almost surely, 2^195097942900 is an apocalyptic number.

195097942900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195097942900 is an abundant number, since it is smaller than the sum of its proper divisors (288744957228).

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

195097942900 is a wasteful number, since it uses less digits than its factorization.

195097942900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278711368 (or 278711361 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 195097942900 in words is "one hundred ninety-five billion, ninety-seven million, nine hundred forty-two thousand, nine hundred".