13656734417422 has 4 divisors (see below), whose sum is σ = 20485101626136. Its totient is φ = 6828367208710.

The previous prime is 13656734417387. The next prime is 13656734417453. The reversal of 13656734417422 is 22471443765631.

13656734417422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13656734417422² (a number of 27 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 as a sum of consecutive naturals, namely, 3414183604354 + ... + 3414183604357.

It is an arithmetic number, because the mean of its divisors is an integer number (5121275406534).

Almost surely, 2^{13656734417422} is an apocalyptic number.

13656734417422 is a deficient number, since it is larger than the sum of its proper divisors (6828367208714).

13656734417422 is an equidigital number, since it uses as much as digits as its factorization.

13656734417422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828367208713.

The product of its digits is 20321280, while the sum is 55.

The spelling of 13656734417422 in words is "thirteen trillion, six hundred fifty-six billion, seven hundred thirty-four million, four hundred seventeen thousand, four hundred twenty-two".