13690711689 has 4 divisors (see below), whose sum is σ = 18254282256. Its totient is φ = 9127141124.

The previous prime is 13690711681. The next prime is 13690711757. The reversal of 13690711689 is 98611709631.

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 13690711689 - 2³ = 13690711681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13690711681) 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, 2281785279 + ... + 2281785284.

It is an arithmetic number, because the mean of its divisors is an integer number (4563570564).

Almost surely, 2^13690711689 is an apocalyptic number.

It is an amenable number.

13690711689 is a deficient number, since it is larger than the sum of its proper divisors (4563570567).

13690711689 is an equidigital number, since it uses as much as digits as its factorization.

13690711689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563570566.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 13690711689 in words is "thirteen billion, six hundred ninety million, seven hundred eleven thousand, six hundred eighty-nine".