13699607649 has 16 divisors (see below), whose sum is σ = 22481407872. Its totient is φ = 7226166528.

The previous prime is 13699607633. The next prime is 13699607651. The reversal of 13699607649 is 94670699631.

It is not a de Polignac number, because 13699607649 - 2⁴ = 13699607633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13699607592 and 13699607601.

It is not an unprimeable number, because it can be changed into a prime (13699607609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25090584 + ... + 25091129.

It is an arithmetic number, because the mean of its divisors is an integer number (1405087992).

Almost surely, 2^13699607649 is an apocalyptic number.

It is an amenable number.

13699607649 is a deficient number, since it is larger than the sum of its proper divisors (8781800223).

13699607649 is a wasteful number, since it uses less digits than its factorization.

13699607649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50181736.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 13699607649 in words is "thirteen billion, six hundred ninety-nine million, six hundred seven thousand, six hundred forty-nine".