12944158313 has 2 divisors, whose sum is σ = 12944158314. Its totient is φ = 12944158312.

The previous prime is 12944158261. The next prime is 12944158321. The reversal of 12944158313 is 31385144921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9685118569 + 3259039744 = 98413^2 + 57088^2 .

It is a cyclic number.

It is not a de Polignac number, because 12944158313 - 2¹² = 12944154217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12944154313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6472079156 + 6472079157.

It is an arithmetic number, because the mean of its divisors is an integer number (6472079157).

Almost surely, 2^12944158313 is an apocalyptic number.

It is an amenable number.

12944158313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12944158313 is an equidigital number, since it uses as much as digits as its factorization.

12944158313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The spelling of 12944158313 in words is "twelve billion, nine hundred forty-four million, one hundred fifty-eight thousand, three hundred thirteen".