13209240888401 has 4 divisors (see below), whose sum is σ = 13209293747712. Its totient is φ = 13209188029092.

The previous prime is 13209240888383. The next prime is 13209240888413. The reversal of 13209240888401 is 10488804290231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13209240888401 - 2²⁶ = 13209173779537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13209240888401.

It is not an unprimeable number, because it can be changed into a prime (13209240888421) 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, 26053025 + ... + 26555198.

It is an arithmetic number, because the mean of its divisors is an integer number (3302323436928).

Almost surely, 2^{13209240888401} is an apocalyptic number.

It is an amenable number.

13209240888401 is a deficient number, since it is larger than the sum of its proper divisors (52859311).

13209240888401 is an equidigital number, since it uses as much as digits as its factorization.

13209240888401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52859310.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 13209240888401 in words is "thirteen trillion, two hundred nine billion, two hundred forty million, eight hundred eighty-eight thousand, four hundred one".