195651994715 has 8 divisors (see below), whose sum is σ = 235835230848. Its totient is φ = 155819704320.

The previous prime is 195651994631. The next prime is 195651994717. The reversal of 195651994715 is 517499156591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195651994715 - 2²⁶ = 195584885851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195651994717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87735206 + ... + 87737435.

It is an arithmetic number, because the mean of its divisors is an integer number (29479403856).

Almost surely, 2^195651994715 is an apocalyptic number.

195651994715 is a deficient number, since it is larger than the sum of its proper divisors (40183236133).

195651994715 is a wasteful number, since it uses less digits than its factorization.

195651994715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175472869.

The product of its digits is 15309000, while the sum is 62.

The spelling of 195651994715 in words is "one hundred ninety-five billion, six hundred fifty-one million, nine hundred ninety-four thousand, seven hundred fifteen".