13869416291 has 4 divisors (see below), whose sum is σ = 13999037112. Its totient is φ = 13739795472.

The previous prime is 13869416279. The next prime is 13869416311. The reversal of 13869416291 is 19261496831.

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

It is a cyclic number.

It is not a de Polignac number, because 13869416291 - 2⁶ = 13869416227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13869416201) 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, 64810250 + ... + 64810463.

It is an arithmetic number, because the mean of its divisors is an integer number (3499759278).

Almost surely, 2^13869416291 is an apocalyptic number.

13869416291 is a deficient number, since it is larger than the sum of its proper divisors (129620821).

13869416291 is a wasteful number, since it uses less digits than its factorization.

13869416291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129620820.

The product of its digits is 559872, while the sum is 50.

The spelling of 13869416291 in words is "thirteen billion, eight hundred sixty-nine million, four hundred sixteen thousand, two hundred ninety-one".