13221002329 has 2 divisors, whose sum is σ = 13221002330. Its totient is φ = 13221002328.

The previous prime is 13221002317. The next prime is 13221002341. The reversal of 13221002329 is 92320012231.

It is a balanced prime because it is at equal distance from previous prime (13221002317) and next prime (13221002341).

It can be written as a sum of positive squares in only one way, i.e., 7152592329 + 6068410000 = 84573^2 + 77900^2 .

It is a cyclic number.

It is not a de Polignac number, because 13221002329 - 2⁵ = 13221002297 is a prime.

It is not a weakly prime, because it can be changed into another prime (13221002929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610501164 + 6610501165.

It is an arithmetic number, because the mean of its divisors is an integer number (6610501165).

Almost surely, 2^13221002329 is an apocalyptic number.

It is an amenable number.

13221002329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221002329 is an equidigital number, since it uses as much as digits as its factorization.

13221002329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 13221002329 in words is "thirteen billion, two hundred twenty-one million, two thousand, three hundred twenty-nine".