12416554391 has 2 divisors, whose sum is σ = 12416554392. Its totient is φ = 12416554390.

The previous prime is 12416554379. The next prime is 12416554411. The reversal of 12416554391 is 19345561421.

12416554391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19345561421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12416554391 - 2¹⁸ = 12416292247 is a prime.

It is a super-2 number, since 2×12416554391² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12416554351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208277195 + 6208277196.

It is an arithmetic number, because the mean of its divisors is an integer number (6208277196).

Almost surely, 2^12416554391 is an apocalyptic number.

12416554391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12416554391 is an equidigital number, since it uses as much as digits as its factorization.

12416554391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The spelling of 12416554391 in words is "twelve billion, four hundred sixteen million, five hundred fifty-four thousand, three hundred ninety-one".