195891639214 has 8 divisors (see below), whose sum is σ = 293940315648. Its totient is φ = 97911534000.

The previous prime is 195891639197. The next prime is 195891639221. The reversal of 195891639214 is 412936198591.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17135662 + ... + 17147089.

It is an arithmetic number, because the mean of its divisors is an integer number (36742539456).

Almost surely, 2^195891639214 is an apocalyptic number.

195891639214 is a deficient number, since it is larger than the sum of its proper divisors (98048676434).

195891639214 is a wasteful number, since it uses less digits than its factorization.

195891639214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34285610.

The product of its digits is 4199040, while the sum is 58.

The spelling of 195891639214 in words is "one hundred ninety-five billion, eight hundred ninety-one million, six hundred thirty-nine thousand, two hundred fourteen".