13205064319 has 2 divisors, whose sum is σ = 13205064320. Its totient is φ = 13205064318.

The previous prime is 13205064283. The next prime is 13205064337. The reversal of 13205064319 is 91346050231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13205064319 - 2¹⁹ = 13204540031 is a prime.

It is a super-2 number, since 2×13205064319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13205064349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602532159 + 6602532160.

It is an arithmetic number, because the mean of its divisors is an integer number (6602532160).

Almost surely, 2^13205064319 is an apocalyptic number.

13205064319 is a deficient number, since it is larger than the sum of its proper divisors (1).

13205064319 is an equidigital number, since it uses as much as digits as its factorization.

13205064319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 13205064319 in words is "thirteen billion, two hundred five million, sixty-four thousand, three hundred nineteen".