4043404332449 has 2 divisors, whose sum is σ = 4043404332450. Its totient is φ = 4043404332448.

The previous prime is 4043404332431. The next prime is 4043404332493. The reversal of 4043404332449 is 9442334043404.

It is a happy number.

It is an a-pointer prime, because the next prime (4043404332493) can be obtained adding 4043404332449 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2079883152400 + 1963521180049 = 1442180^2 + 1401257^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043404332449 - 2³² = 4039109365153 is a prime.

It is not a weakly prime, because it can be changed into another prime (4043404334449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021702166224 + 2021702166225.

It is an arithmetic number, because the mean of its divisors is an integer number (2021702166225).

Almost surely, 2^{4043404332449} is an apocalyptic number.

It is an amenable number.

4043404332449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043404332449 is an equidigital number, since it uses as much as digits as its factorization.

4043404332449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 44.

The spelling of 4043404332449 in words is "four trillion, forty-three billion, four hundred four million, three hundred thirty-two thousand, four hundred forty-nine".