13284992449 has 2 divisors, whose sum is σ = 13284992450. Its totient is φ = 13284992448.

The previous prime is 13284992447. The next prime is 13284992453. The reversal of 13284992449 is 94429948231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6649260849 + 6635731600 = 81543^2 + 81460^2 .

It is a cyclic number.

It is not a de Polignac number, because 13284992449 - 2¹ = 13284992447 is a prime.

Together with 13284992447, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13284992449.

It is not a weakly prime, because it can be changed into another prime (13284992447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642496224 + 6642496225.

It is an arithmetic number, because the mean of its divisors is an integer number (6642496225).

Almost surely, 2^13284992449 is an apocalyptic number.

It is an amenable number.

13284992449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13284992449 is an equidigital number, since it uses as much as digits as its factorization.

13284992449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 55.

The spelling of 13284992449 in words is "thirteen billion, two hundred eighty-four million, nine hundred ninety-two thousand, four hundred forty-nine".