13024240309 has 2 divisors, whose sum is σ = 13024240310. Its totient is φ = 13024240308.

The previous prime is 13024240283. The next prime is 13024240319. The reversal of 13024240309 is 90304242031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6831022500 + 6193217809 = 82650^2 + 78697^2 .

It is a cyclic number.

It is not a de Polignac number, because 13024240309 - 2⁷ = 13024240181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13024240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6512120154 + 6512120155.

It is an arithmetic number, because the mean of its divisors is an integer number (6512120155).

Almost surely, 2^13024240309 is an apocalyptic number.

It is an amenable number.

13024240309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13024240309 is an equidigital number, since it uses as much as digits as its factorization.

13024240309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 13024240309 in words is "thirteen billion, twenty-four million, two hundred forty thousand, three hundred nine".