13622266135685 has 4 divisors (see below), whose sum is σ = 16346719362828. Its totient is φ = 10897812908544.

The previous prime is 13622266135661. The next prime is 13622266135741. The reversal of 13622266135685 is 58653166222631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5889829048609 + 7732437087076 = 2426897^2 + 2780726^2 .

It is a cyclic number.

It is not a de Polignac number, because 13622266135685 - 2¹² = 13622266131589 is a prime.

It is a super-2 number, since 2×13622266135685² (a number of 27 digits) contains 22 as substring.

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 13622266135685.

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, 1362226613564 + ... + 1362226613573.

It is an arithmetic number, because the mean of its divisors is an integer number (4086679840707).

Almost surely, 2^{13622266135685} is an apocalyptic number.

It is an amenable number.

13622266135685 is a deficient number, since it is larger than the sum of its proper divisors (2724453227143).

13622266135685 is an equidigital number, since it uses as much as digits as its factorization.

13622266135685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724453227142.

The product of its digits is 18662400, while the sum is 56.

The spelling of 13622266135685 in words is "thirteen trillion, six hundred twenty-two billion, two hundred sixty-six million, one hundred thirty-five thousand, six hundred eighty-five".