14686768738 has 4 divisors (see below), whose sum is σ = 22030153110. Its totient is φ = 7343384368.

The previous prime is 14686768721. The next prime is 14686768757. The reversal of 14686768738 is 83786768641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83786768641 = 317 ⋅264311573.

It can be written as a sum of positive squares in only one way, i.e., 9926734689 + 4760034049 = 99633^2 + 68993^2 .

It is a super-2 number, since 2×14686768738² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14686768738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671692183 + ... + 3671692186.

Almost surely, 2^14686768738 is an apocalyptic number.

14686768738 is a deficient number, since it is larger than the sum of its proper divisors (7343384372).

14686768738 is an equidigital number, since it uses as much as digits as its factorization.

14686768738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343384371.

The product of its digits is 65028096, while the sum is 64.

The spelling of 14686768738 in words is "fourteen billion, six hundred eighty-six million, seven hundred sixty-eight thousand, seven hundred thirty-eight".