13003331249 has 2 divisors, whose sum is σ = 13003331250. Its totient is φ = 13003331248.

The previous prime is 13003331197. The next prime is 13003331291. The reversal of 13003331249 is 94213330031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13003297024 + 34225 = 114032^2 + 185^2 .

It is an emirp because it is prime and its reverse (94213330031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13003331249 - 2⁸ = 13003330993 is a prime.

It is not a weakly prime, because it can be changed into another prime (13003331749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501665624 + 6501665625.

It is an arithmetic number, because the mean of its divisors is an integer number (6501665625).

Almost surely, 2^13003331249 is an apocalyptic number.

It is an amenable number.

13003331249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003331249 is an equidigital number, since it uses as much as digits as its factorization.

13003331249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 13003331249 in words is "thirteen billion, three million, three hundred thirty-one thousand, two hundred forty-nine".