12442513459 has 2 divisors, whose sum is σ = 12442513460. Its totient is φ = 12442513458.

The previous prime is 12442513453. The next prime is 12442513471. The reversal of 12442513459 is 95431524421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12442513459 - 2⁷ = 12442513331 is a prime.

It is a super-2 number, since 2×12442513459² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12442513453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221256729 + 6221256730.

It is an arithmetic number, because the mean of its divisors is an integer number (6221256730).

Almost surely, 2^12442513459 is an apocalyptic number.

12442513459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442513459 is an equidigital number, since it uses as much as digits as its factorization.

12442513459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The spelling of 12442513459 in words is "twelve billion, four hundred forty-two million, five hundred thirteen thousand, four hundred fifty-nine".