13669633657 has 8 divisors (see below), whose sum is σ = 14399020160. Its totient is φ = 12941240400.

The previous prime is 13669633639. The next prime is 13669633673. The reversal of 13669633657 is 75633696631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13669633657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13669633598 and 13669633607.

It is not an unprimeable number, because it can be changed into a prime (13669633687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219969 + ... + 275182.

It is an arithmetic number, because the mean of its divisors is an integer number (1799877520).

Almost surely, 2^13669633657 is an apocalyptic number.

It is an amenable number.

13669633657 is a deficient number, since it is larger than the sum of its proper divisors (729386503).

13669633657 is a wasteful number, since it uses less digits than its factorization.

13669633657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496623.

The product of its digits is 11022480, while the sum is 55.

The spelling of 13669633657 in words is "thirteen billion, six hundred sixty-nine million, six hundred thirty-three thousand, six hundred fifty-seven".