12437145563 has 2 divisors, whose sum is σ = 12437145564. Its totient is φ = 12437145562.

The previous prime is 12437145529. The next prime is 12437145587. The reversal of 12437145563 is 36554173421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12437145563 - 2²² = 12432951259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12437145563.

It is not a weakly prime, because it can be changed into another prime (12437145163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218572781 + 6218572782.

It is an arithmetic number, because the mean of its divisors is an integer number (6218572782).

Almost surely, 2^12437145563 is an apocalyptic number.

12437145563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12437145563 is an equidigital number, since it uses as much as digits as its factorization.

12437145563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The spelling of 12437145563 in words is "twelve billion, four hundred thirty-seven million, one hundred forty-five thousand, five hundred sixty-three".