13644002222405 has 16 divisors (see below), whose sum is σ = 16653218972544. Its totient is φ = 10728964361280.

The previous prime is 13644002222401. The next prime is 13644002222447. The reversal of 13644002222405 is 50422220044631.

It is not a de Polignac number, because 13644002222405 - 2² = 13644002222401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644002222401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44019497 + ... + 44328366.

It is an arithmetic number, because the mean of its divisors is an integer number (1040826185784).

Almost surely, 2^{13644002222405} is an apocalyptic number.

It is an amenable number.

13644002222405 is a deficient number, since it is larger than the sum of its proper divisors (3009216750139).

13644002222405 is an equidigital number, since it uses as much as digits as its factorization.

13644002222405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88348396.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 13644002222405 in words is "thirteen trillion, six hundred forty-four billion, two million, two hundred twenty-two thousand, four hundred five".