14639711697 has 42 divisors (see below), whose sum is σ = 22976414942. Its totient is φ = 8982320256.

The previous prime is 14639711659. The next prime is 14639711707. The reversal of 14639711697 is 79611793641.

14639711697 is a `hidden beast` number, since 1 + 463 + 97 + 1 + 1 + 6 + 97 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 5673704976 + 8966006721 = 75324^2 + 94689^2 .

It is not a de Polignac number, because 14639711697 - 2²⁰ = 14638663121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14639712697) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 43441113 + ... + 43441449.

Almost surely, 2^14639711697 is an apocalyptic number.

It is an amenable number.

14639711697 is a deficient number, since it is larger than the sum of its proper divisors (8336703245).

14639711697 is an frugal number, since it uses more digits than its factorization.

14639711697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 353 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The spelling of 14639711697 in words is "fourteen billion, six hundred thirty-nine million, seven hundred eleven thousand, six hundred ninety-seven".