3440023409 has 2 divisors, whose sum is σ = 3440023410. Its totient is φ = 3440023408.

The previous prime is 3440023403. The next prime is 3440023439. The reversal of 3440023409 is 9043200443.

3440023409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3095809600 + 344213809 = 55640^2 + 18553^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440023409 - 2⁴ = 3440023393 is a prime.

It is a super-2 number, since 2×3440023409² = 23667522108935962562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3440023403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720011704 + 1720011705.

It is an arithmetic number, because the mean of its divisors is an integer number (1720011705).

Almost surely, 2^3440023409 is an apocalyptic number.

It is an amenable number.

3440023409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440023409 is an equidigital number, since it uses as much as digits as its factorization.

3440023409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 3440023409 is about 58651.7127541899. The cubic root of 3440023409 is about 1509.5718870250.

The spelling of 3440023409 in words is "three billion, four hundred forty million, twenty-three thousand, four hundred nine".