14068648657 has 4 divisors (see below), whose sum is σ = 16078455616. Its totient is φ = 12058841700.

The previous prime is 14068648637. The next prime is 14068648661. The reversal of 14068648657 is 75684686041.

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 a de Polignac number, because none of the positive numbers 2^k-14068648657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14068648598 and 14068648607.

It is not an unprimeable number, because it can be changed into a prime (14068648637) 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, 1004903469 + ... + 1004903482.

It is an arithmetic number, because the mean of its divisors is an integer number (4019613904).

Almost surely, 2^14068648657 is an apocalyptic number.

It is an amenable number.

14068648657 is a deficient number, since it is larger than the sum of its proper divisors (2009806959).

14068648657 is an equidigital number, since it uses as much as digits as its factorization.

14068648657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009806958.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 14068648657 in words is "fourteen billion, sixty-eight million, six hundred forty-eight thousand, six hundred fifty-seven".