195689582625 has 16 divisors (see below), whose sum is σ = 325627466112. Its totient is φ = 104367777200.

The previous prime is 195689582593. The next prime is 195689582639. The reversal of 195689582625 is 526285986591.

It is a happy number.

It is not a de Polignac number, because 195689582625 - 2⁵ = 195689582593 is a prime.

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, 260919069 + ... + 260919818.

It is an arithmetic number, because the mean of its divisors is an integer number (20351716632).

Almost surely, 2^195689582625 is an apocalyptic number.

195689582625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195689582625 is a deficient number, since it is larger than the sum of its proper divisors (129937883487).

195689582625 is an equidigital number, since it uses as much as digits as its factorization.

195689582625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521838905 (or 521838895 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 66.

The spelling of 195689582625 in words is "one hundred ninety-five billion, six hundred eighty-nine million, five hundred eighty-two thousand, six hundred twenty-five".