6899345817713 has 4 divisors (see below), whose sum is σ = 7016283882480. Its totient is φ = 6782407752948.

The previous prime is 6899345817697. The next prime is 6899345817733. The reversal of 6899345817713 is 3177185439986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6899345817713 - 2⁴ = 6899345817697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6899345817733) 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, 58469032295 + ... + 58469032412.

It is an arithmetic number, because the mean of its divisors is an integer number (1754070970620).

Almost surely, 2^{6899345817713} is an apocalyptic number.

It is an amenable number.

6899345817713 is a deficient number, since it is larger than the sum of its proper divisors (116938064767).

6899345817713 is a wasteful number, since it uses less digits than its factorization.

6899345817713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116938064766.

The product of its digits is 274337280, while the sum is 71.

The spelling of 6899345817713 in words is "six trillion, eight hundred ninety-nine billion, three hundred forty-five million, eight hundred seventeen thousand, seven hundred thirteen".