12445745929 has 2 divisors, whose sum is σ = 12445745930. Its totient is φ = 12445745928.

The previous prime is 12445745927. The next prime is 12445746101. The reversal of 12445745929 is 92954754421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6828543225 + 5617202704 = 82635^2 + 74948^2 .

It is a cyclic number.

It is not a de Polignac number, because 12445745929 - 2¹ = 12445745927 is a prime.

Together with 12445745927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12445745927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222872964 + 6222872965.

It is an arithmetic number, because the mean of its divisors is an integer number (6222872965).

Almost surely, 2^12445745929 is an apocalyptic number.

It is an amenable number.

12445745929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12445745929 is an equidigital number, since it uses as much as digits as its factorization.

12445745929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The spelling of 12445745929 in words is "twelve billion, four hundred forty-five million, seven hundred forty-five thousand, nine hundred twenty-nine".