12922937249 has 2 divisors, whose sum is σ = 12922937250. Its totient is φ = 12922937248.

The previous prime is 12922937239. The next prime is 12922937303. The reversal of 12922937249 is 94273922921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11269945600 + 1652991649 = 106160^2 + 40657^2 .

It is an emirp because it is prime and its reverse (94273922921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12922937249 - 2²⁰ = 12921888673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12922937197 and 12922937206.

It is not a weakly prime, because it can be changed into another prime (12922937219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461468624 + 6461468625.

It is an arithmetic number, because the mean of its divisors is an integer number (6461468625).

Almost surely, 2^12922937249 is an apocalyptic number.

It is an amenable number.

12922937249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12922937249 is an equidigital number, since it uses as much as digits as its factorization.

12922937249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The spelling of 12922937249 in words is "twelve billion, nine hundred twenty-two million, nine hundred thirty-seven thousand, two hundred forty-nine".