12626465563 has 2 divisors, whose sum is σ = 12626465564. Its totient is φ = 12626465562.

The previous prime is 12626465531. The next prime is 12626465581. The reversal of 12626465563 is 36556462621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12626465563 - 2⁵ = 12626465531 is a prime.

It is a super-2 number, since 2×12626465563² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12626460563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313232781 + 6313232782.

It is an arithmetic number, because the mean of its divisors is an integer number (6313232782).

Almost surely, 2^12626465563 is an apocalyptic number.

12626465563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12626465563 is an equidigital number, since it uses as much as digits as its factorization.

12626465563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 46.

The spelling of 12626465563 in words is "twelve billion, six hundred twenty-six million, four hundred sixty-five thousand, five hundred sixty-three".