13405064279 has 2 divisors, whose sum is σ = 13405064280. Its totient is φ = 13405064278.

The previous prime is 13405064227. The next prime is 13405064291. The reversal of 13405064279 is 97246050431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13405064279 - 2¹⁶ = 13404998743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405064209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702532139 + 6702532140.

It is an arithmetic number, because the mean of its divisors is an integer number (6702532140).

Almost surely, 2^13405064279 is an apocalyptic number.

13405064279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405064279 is an equidigital number, since it uses as much as digits as its factorization.

13405064279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 13405064279 in words is "thirteen billion, four hundred five million, sixty-four thousand, two hundred seventy-nine".