12453856963 has 2 divisors, whose sum is σ = 12453856964. Its totient is φ = 12453856962.

The previous prime is 12453856937. The next prime is 12453856981. The reversal of 12453856963 is 36965835421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12453856963 - 2⁵ = 12453856931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12453856963.

It is not a weakly prime, because it can be changed into another prime (12453856993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226928481 + 6226928482.

It is an arithmetic number, because the mean of its divisors is an integer number (6226928482).

Almost surely, 2^12453856963 is an apocalyptic number.

12453856963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453856963 is an equidigital number, since it uses as much as digits as its factorization.

12453856963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 52.

The spelling of 12453856963 in words is "twelve billion, four hundred fifty-three million, eight hundred fifty-six thousand, nine hundred sixty-three".