13639616697 has 32 divisors (see below), whose sum is σ = 21890053120. Its totient is φ = 7379812800.

The previous prime is 13639616687. The next prime is 13639616707. The reversal of 13639616697 is 79661693631.

13639616697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13639616687) and next prime (13639616707).

It is not a de Polignac number, because 13639616697 - 2²⁷ = 13505398969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13639616687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810822 + ... + 827472.

It is an arithmetic number, because the mean of its divisors is an integer number (684064160).

Almost surely, 2^13639616697 is an apocalyptic number.

It is an amenable number.

13639616697 is a deficient number, since it is larger than the sum of its proper divisors (8250436423).

13639616697 is a wasteful number, since it uses less digits than its factorization.

13639616697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18733.

The product of its digits is 6613488, while the sum is 57.

The spelling of 13639616697 in words is "thirteen billion, six hundred thirty-nine million, six hundred sixteen thousand, six hundred ninety-seven".