13358967109 has 2 divisors, whose sum is σ = 13358967110. Its totient is φ = 13358967108.

The previous prime is 13358967007. The next prime is 13358967119. The reversal of 13358967109 is 90176985331.

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., 13168251009 + 190716100 = 114753^2 + 13810^2 .

It is a cyclic number.

It is not a de Polignac number, because 13358967109 - 2¹⁵ = 13358934341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13358967119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6679483554 + 6679483555.

It is an arithmetic number, because the mean of its divisors is an integer number (6679483555).

Almost surely, 2^13358967109 is an apocalyptic number.

It is an amenable number.

13358967109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13358967109 is an equidigital number, since it uses as much as digits as its factorization.

13358967109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 13358967109 in words is "thirteen billion, three hundred fifty-eight million, nine hundred sixty-seven thousand, one hundred nine".