12463645431619 has 2 divisors, whose sum is σ = 12463645431620. Its totient is φ = 12463645431618.

The previous prime is 12463645431599. The next prime is 12463645431641. The reversal of 12463645431619 is 91613454636421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12463645431619 - 2²⁷ = 12463511213891 is a prime.

It is a super-2 number, since 2×12463645431619² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12463645431619.

It is not a weakly prime, because it can be changed into another prime (12463645431019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6231822715809 + 6231822715810.

It is an arithmetic number, because the mean of its divisors is an integer number (6231822715810).

Almost surely, 2^{12463645431619} is an apocalyptic number.

12463645431619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12463645431619 is an equidigital number, since it uses as much as digits as its factorization.

12463645431619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 55.

The spelling of 12463645431619 in words is "twelve trillion, four hundred sixty-three billion, six hundred forty-five million, four hundred thirty-one thousand, six hundred nineteen".