13220232409 has 2 divisors, whose sum is σ = 13220232410. Its totient is φ = 13220232408.

The previous prime is 13220232301. The next prime is 13220232419. The reversal of 13220232409 is 90423202231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10489856400 + 2730376009 = 102420^2 + 52253^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220232409 - 2¹³ = 13220224217 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220232419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610116204 + 6610116205.

It is an arithmetic number, because the mean of its divisors is an integer number (6610116205).

Almost surely, 2^13220232409 is an apocalyptic number.

It is an amenable number.

13220232409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220232409 is an equidigital number, since it uses as much as digits as its factorization.

13220232409 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 13220232409 in words is "thirteen billion, two hundred twenty million, two hundred thirty-two thousand, four hundred nine".