13801405591 has 2 divisors, whose sum is σ = 13801405592. Its totient is φ = 13801405590.

The previous prime is 13801405589. The next prime is 13801405627. The reversal of 13801405591 is 19550410831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13801405591 - 2¹ = 13801405589 is a prime.

Together with 13801405589, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13801405591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13801405091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900702795 + 6900702796.

It is an arithmetic number, because the mean of its divisors is an integer number (6900702796).

Almost surely, 2^13801405591 is an apocalyptic number.

13801405591 is a deficient number, since it is larger than the sum of its proper divisors (1).

13801405591 is an equidigital number, since it uses as much as digits as its factorization.

13801405591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 13801405591 in words is "thirteen billion, eight hundred one million, four hundred five thousand, five hundred ninety-one".