13226190645 has 8 divisors (see below), whose sum is σ = 21161905056. Its totient is φ = 7053968336.

The previous prime is 13226190623. The next prime is 13226190671. The reversal of 13226190645 is 54609162231.

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

It is a cyclic number.

It is not a de Polignac number, because 13226190645 - 2¹⁵ = 13226157877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440873007 + ... + 440873036.

It is an arithmetic number, because the mean of its divisors is an integer number (2645238132).

Almost surely, 2^13226190645 is an apocalyptic number.

13226190645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13226190645 is a deficient number, since it is larger than the sum of its proper divisors (7935714411).

13226190645 is an equidigital number, since it uses as much as digits as its factorization.

13226190645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881746051.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 13226190645 in words is "thirteen billion, two hundred twenty-six million, one hundred ninety thousand, six hundred forty-five".