13045784249 has 2 divisors, whose sum is σ = 13045784250. Its totient is φ = 13045784248.

The previous prime is 13045784201. The next prime is 13045784263. The reversal of 13045784249 is 94248754031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8889661225 + 4156123024 = 94285^2 + 64468^2 .

It is a cyclic number.

It is not a de Polignac number, because 13045784249 - 2¹⁶ = 13045718713 is a prime.

It is not a weakly prime, because it can be changed into another prime (13045784849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522892124 + 6522892125.

It is an arithmetic number, because the mean of its divisors is an integer number (6522892125).

Almost surely, 2^13045784249 is an apocalyptic number.

It is an amenable number.

13045784249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045784249 is an equidigital number, since it uses as much as digits as its factorization.

13045784249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 13045784249 in words is "thirteen billion, forty-five million, seven hundred eighty-four thousand, two hundred forty-nine".