13669400261199 has 4 divisors (see below), whose sum is σ = 18225867014936. Its totient is φ = 9112933507464.

The previous prime is 13669400261191. The next prime is 13669400261203. The reversal of 13669400261199 is 99116200496631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13669400261199 - 2³ = 13669400261191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13669400261191) 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, 2278233376864 + ... + 2278233376869.

It is an arithmetic number, because the mean of its divisors is an integer number (4556466753734).

Almost surely, 2^{13669400261199} is an apocalyptic number.

13669400261199 is a deficient number, since it is larger than the sum of its proper divisors (4556466753737).

13669400261199 is an equidigital number, since it uses as much as digits as its factorization.

13669400261199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556466753736.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 13669400261199 in words is "thirteen trillion, six hundred sixty-nine billion, four hundred million, two hundred sixty-one thousand, one hundred ninety-nine".