3435921409 has 2 divisors, whose sum is σ = 3435921410. Its totient is φ = 3435921408.

The previous prime is 3435921397. The next prime is 3435921427. The reversal of 3435921409 is 9041295343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2748695184 + 687226225 = 52428^2 + 26215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3435921409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3435921509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717960704 + 1717960705.

It is an arithmetic number, because the mean of its divisors is an integer number (1717960705).

It is a Proth number, since it is equal to 13107 ⋅ 2¹⁸ + 1 and 13107 < 2¹⁸.

Almost surely, 2^3435921409 is an apocalyptic number.

It is an amenable number.

3435921409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3435921409 is an equidigital number, since it uses as much as digits as its factorization.

3435921409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 3435921409 is about 58616.7331825990. The cubic root of 3435921409 is about 1508.9716268848.

The spelling of 3435921409 in words is "three billion, four hundred thirty-five million, nine hundred twenty-one thousand, four hundred nine".