12454251419 has 2 divisors, whose sum is σ = 12454251420. Its totient is φ = 12454251418.

The previous prime is 12454251377. The next prime is 12454251421. The reversal of 12454251419 is 91415245421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12454251419 - 2¹⁶ = 12454185883 is a prime.

It is a super-2 number, since 2×12454251419² (a number of 21 digits) contains 22 as substring.

Together with 12454251421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12454254419) 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, 6227125709 + 6227125710.

It is an arithmetic number, because the mean of its divisors is an integer number (6227125710).

Almost surely, 2^12454251419 is an apocalyptic number.

12454251419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454251419 is an equidigital number, since it uses as much as digits as its factorization.

12454251419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The spelling of 12454251419 in words is "twelve billion, four hundred fifty-four million, two hundred fifty-one thousand, four hundred nineteen".