12444904263 has 16 divisors (see below), whose sum is σ = 18114379776. Its totient is φ = 7537074240.

The previous prime is 12444904223. The next prime is 12444904267. The reversal of 12444904263 is 36240944421.

It is a de Polignac number, because none of the positive numbers 2^k-12444904263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444904267) 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, 84295 + ... + 178872.

It is an arithmetic number, because the mean of its divisors is an integer number (1132148736).

Almost surely, 2^12444904263 is an apocalyptic number.

12444904263 is a deficient number, since it is larger than the sum of its proper divisors (5669475513).

12444904263 is a wasteful number, since it uses less digits than its factorization.

12444904263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264614.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 12444904263 in words is "twelve billion, four hundred forty-four million, nine hundred four thousand, two hundred sixty-three".