12453115447 has 2 divisors, whose sum is σ = 12453115448. Its totient is φ = 12453115446.

The previous prime is 12453115421. The next prime is 12453115481. The reversal of 12453115447 is 74451135421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12453115447 - 2¹⁵ = 12453082679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12453115747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226557723 + 6226557724.

It is an arithmetic number, because the mean of its divisors is an integer number (6226557724).

Almost surely, 2^12453115447 is an apocalyptic number.

12453115447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453115447 is an equidigital number, since it uses as much as digits as its factorization.

12453115447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The spelling of 12453115447 in words is "twelve billion, four hundred fifty-three million, one hundred fifteen thousand, four hundred forty-seven".