12364644405 has 16 divisors (see below), whose sum is σ = 20643580800. Its totient is φ = 6307760448.

The previous prime is 12364644379. The next prime is 12364644419. The reversal of 12364644405 is 50444646321.

It is not a de Polignac number, because 12364644405 - 2⁷ = 12364644277 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17919430 + ... + 17920119.

It is an arithmetic number, because the mean of its divisors is an integer number (1290223800).

Almost surely, 2^12364644405 is an apocalyptic number.

12364644405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12364644405 is a deficient number, since it is larger than the sum of its proper divisors (8278936395).

12364644405 is a wasteful number, since it uses less digits than its factorization.

12364644405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35839580.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 12364644405 in words is "twelve billion, three hundred sixty-four million, six hundred forty-four thousand, four hundred five".