195919589008734 has 32 divisors (see below), whose sum is σ = 394753110111360. Its totient is φ = 64821100381152.

The previous prime is 195919589008721. The next prime is 195919589008799. The reversal of 195919589008734 is 437800985919591.

It is a self number, because there is not a number n which added to its sum of digits gives 195919589008734.

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, 24788484 + ... + 31722359.

It is an arithmetic number, because the mean of its divisors is an integer number (12336034690980).

Almost surely, 2^{195919589008734} is an apocalyptic number.

195919589008734 is an abundant number, since it is smaller than the sum of its proper divisors (198833521102626).

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

195919589008734 is a wasteful number, since it uses less digits than its factorization.

195919589008734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56515144.

The product of its (nonzero) digits is 881798400, while the sum is 78.

The spelling of 195919589008734 in words is "one hundred ninety-five trillion, nine hundred nineteen billion, five hundred eighty-nine million, eight thousand, seven hundred thirty-four".