9695399486891 has 4 divisors (see below), whose sum is σ = 9711531599784. Its totient is φ = 9679267374000.

The previous prime is 9695399486887. The next prime is 9695399486893. The reversal of 9695399486891 is 1986849935969.

It is a happy number.

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 9695399486891 - 2² = 9695399486887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9695399486893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8066055545 + ... + 8066056746.

It is an arithmetic number, because the mean of its divisors is an integer number (2427882899946).

Almost surely, 2^{9695399486891} is an apocalyptic number.

9695399486891 is a deficient number, since it is larger than the sum of its proper divisors (16132112893).

9695399486891 is a wasteful number, since it uses less digits than its factorization.

9695399486891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16132112892.

The product of its digits is 8162933760, while the sum is 86.

The spelling of 9695399486891 in words is "nine trillion, six hundred ninety-five billion, three hundred ninety-nine million, four hundred eighty-six thousand, eight hundred ninety-one".