12440466263 has 2 divisors, whose sum is σ = 12440466264. Its totient is φ = 12440466262.

The previous prime is 12440466257. The next prime is 12440466281. The reversal of 12440466263 is 36266404421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12440466263 - 2²⁸ = 12172030807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440466463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220233131 + 6220233132.

It is an arithmetic number, because the mean of its divisors is an integer number (6220233132).

Almost surely, 2^12440466263 is an apocalyptic number.

12440466263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440466263 is an equidigital number, since it uses as much as digits as its factorization.

12440466263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 12440466263 in words is "twelve billion, four hundred forty million, four hundred sixty-six thousand, two hundred sixty-three".