12445154389 has 2 divisors, whose sum is σ = 12445154390. Its totient is φ = 12445154388.

The previous prime is 12445154353. The next prime is 12445154399. The reversal of 12445154389 is 98345154421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8528522500 + 3916631889 = 92350^2 + 62583^2 .

It is a cyclic number.

It is not a de Polignac number, because 12445154389 - 2¹⁷ = 12445023317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12445154399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222577194 + 6222577195.

It is an arithmetic number, because the mean of its divisors is an integer number (6222577195).

Almost surely, 2^12445154389 is an apocalyptic number.

It is an amenable number.

12445154389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12445154389 is an equidigital number, since it uses as much as digits as its factorization.

12445154389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 46.

The spelling of 12445154389 in words is "twelve billion, four hundred forty-five million, one hundred fifty-four thousand, three hundred eighty-nine".