13223099189 has 2 divisors, whose sum is σ = 13223099190. Its totient is φ = 13223099188.

The previous prime is 13223099177. The next prime is 13223099209. The reversal of 13223099189 is 98199032231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10359779089 + 2863320100 = 101783^2 + 53510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223099189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223099159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611549594 + 6611549595.

It is an arithmetic number, because the mean of its divisors is an integer number (6611549595).

Almost surely, 2^13223099189 is an apocalyptic number.

It is an amenable number.

13223099189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223099189 is an equidigital number, since it uses as much as digits as its factorization.

13223099189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 13223099189 in words is "thirteen billion, two hundred twenty-three million, ninety-nine thousand, one hundred eighty-nine".