195486696847 has 4 divisors (see below), whose sum is σ = 210524135080. Its totient is φ = 180449258616.

The previous prime is 195486696827. The next prime is 195486696863. The reversal of 195486696847 is 748696684591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195486696847 - 2³⁵ = 161126958479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195486696847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195486696827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7518719097 + ... + 7518719122.

It is an arithmetic number, because the mean of its divisors is an integer number (52631033770).

Almost surely, 2^195486696847 is an apocalyptic number.

195486696847 is a deficient number, since it is larger than the sum of its proper divisors (15037438233).

195486696847 is a wasteful number, since it uses less digits than its factorization.

195486696847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037438232.

The product of its digits is 627056640, while the sum is 73.

The spelling of 195486696847 in words is "one hundred ninety-five billion, four hundred eighty-six million, six hundred ninety-six thousand, eight hundred forty-seven".