3440434409 has 2 divisors, whose sum is σ = 3440434410. Its totient is φ = 3440434408.

The previous prime is 3440434379. The next prime is 3440434477. The reversal of 3440434409 is 9044340443.

3440434409 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., 1903402384 + 1537032025 = 43628^2 + 39205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3440434409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440436409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720217204 + 1720217205.

It is an arithmetic number, because the mean of its divisors is an integer number (1720217205).

Almost surely, 2^3440434409 is an apocalyptic number.

It is an amenable number.

3440434409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440434409 is an equidigital number, since it uses as much as digits as its factorization.

3440434409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 3440434409 is about 58655.2163835409. The cubic root of 3440434409 is about 1509.6320037998.

The spelling of 3440434409 in words is "three billion, four hundred forty million, four hundred thirty-four thousand, four hundred nine".