3197564657913 has 8 divisors (see below), whose sum is σ = 4263495272608. Its totient is φ = 2131671907584.

The previous prime is 3197564657887. The next prime is 3197564657957.

3197564657913 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3197564657913 - 2⁸ = 3197564657657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3197563657913) 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 7 ways as a sum of consecutive naturals, for example, 9268456 + ... + 9607257.

It is an arithmetic number, because the mean of its divisors is an integer number (532936909076).

Almost surely, 2^{3197564657913} is an apocalyptic number.

It is an amenable number.

3197564657913 is a deficient number, since it is larger than the sum of its proper divisors (1065930614695).

3197564657913 is a wasteful number, since it uses less digits than its factorization.

3197564657913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18932183.

The product of its digits is 128595600, while the sum is 66.

The spelling of 3197564657913 in words is "three trillion, one hundred ninety-seven billion, five hundred sixty-four million, six hundred fifty-seven thousand, nine hundred thirteen".