13244202997 has 2 divisors, whose sum is σ = 13244202998. Its totient is φ = 13244202996.

The previous prime is 13244202989. The next prime is 13244203033. The reversal of 13244202997 is 79920244231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9665052721 + 3579150276 = 98311^2 + 59826^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244202997 - 2³ = 13244202989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244212997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622101498 + 6622101499.

It is an arithmetic number, because the mean of its divisors is an integer number (6622101499).

Almost surely, 2^13244202997 is an apocalyptic number.

It is an amenable number.

13244202997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244202997 is an equidigital number, since it uses as much as digits as its factorization.

13244202997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 13244202997 in words is "thirteen billion, two hundred forty-four million, two hundred two thousand, nine hundred ninety-seven".