13226653441 has 4 divisors (see below), whose sum is σ = 13244455872. Its totient is φ = 13208851012.

The previous prime is 13226653439. The next prime is 13226653469. The reversal of 13226653441 is 14435662231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14435662231 = 22003 ⋅656077.

It is a cyclic number.

It is not a de Polignac number, because 13226653441 - 2¹ = 13226653439 is a prime.

It is a super-2 number, since 2×13226653441² (a number of 21 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 13226653441.

It is not an unprimeable number, because it can be changed into a prime (13226659441) 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, 8900101 + ... + 8901586.

It is an arithmetic number, because the mean of its divisors is an integer number (3311113968).

Almost surely, 2^13226653441 is an apocalyptic number.

It is an amenable number.

13226653441 is a deficient number, since it is larger than the sum of its proper divisors (17802431).

13226653441 is an equidigital number, since it uses as much as digits as its factorization.

13226653441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17802430.

The product of its digits is 103680, while the sum is 37.

The spelling of 13226653441 in words is "thirteen billion, two hundred twenty-six million, six hundred fifty-three thousand, four hundred forty-one".