3440402249 has 2 divisors, whose sum is σ = 3440402250. Its totient is φ = 3440402248.

The previous prime is 3440402243. The next prime is 3440402267. The reversal of 3440402249 is 9422040443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3398890000 + 41512249 = 58300^2 + 6443^2 .

It is an emirp because it is prime and its reverse (9422040443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3440402249 - 2²⁸ = 3171966793 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440402243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720201124 + 1720201125.

It is an arithmetic number, because the mean of its divisors is an integer number (1720201125).

Almost surely, 2^3440402249 is an apocalyptic number.

It is an amenable number.

3440402249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440402249 is an equidigital number, since it uses as much as digits as its factorization.

3440402249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 3440402249 is about 58654.9422384849. The cubic root of 3440402249 is about 1509.6272999445.

The spelling of 3440402249 in words is "three billion, four hundred forty million, four hundred two thousand, two hundred forty-nine".