13809511622 has 8 divisors (see below), whose sum is σ = 20736377256. Its totient is φ = 6897385872.

The previous prime is 13809511601. The next prime is 13809511633. The reversal of 13809511622 is 22611590831.

It is a happy number.

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

It is a super-2 number, since 2×13809511622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3682628 + ... + 3686375.

It is an arithmetic number, because the mean of its divisors is an integer number (2592047157).

Almost surely, 2^13809511622 is an apocalyptic number.

13809511622 is a deficient number, since it is larger than the sum of its proper divisors (6926865634).

13809511622 is an equidigital number, since it uses as much as digits as its factorization.

13809511622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369942.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 13809511622 in words is "thirteen billion, eight hundred nine million, five hundred eleven thousand, six hundred twenty-two".