13493333369 has 2 divisors, whose sum is σ = 13493333370. Its totient is φ = 13493333368.

The previous prime is 13493333363. The next prime is 13493333377. The reversal of 13493333369 is 96333339431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12168737344 + 1324596025 = 110312^2 + 36395^2 .

It is a cyclic number.

It is not a de Polignac number, because 13493333369 - 2¹⁶ = 13493267833 is a prime.

It is a super-2 number, since 2×13493333369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13493333363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6746666684 + 6746666685.

It is an arithmetic number, because the mean of its divisors is an integer number (6746666685).

Almost surely, 2^13493333369 is an apocalyptic number.

It is an amenable number.

13493333369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13493333369 is an equidigital number, since it uses as much as digits as its factorization.

13493333369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1417176, while the sum is 47.

The spelling of 13493333369 in words is "thirteen billion, four hundred ninety-three million, three hundred thirty-three thousand, three hundred sixty-nine".