3909022409 has 2 divisors, whose sum is σ = 3909022410. Its totient is φ = 3909022408.

The previous prime is 3909022391. The next prime is 3909022441. The reversal of 3909022409 is 9042209093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3263608384 + 645414025 = 57128^2 + 25405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3909022409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3909022499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1954511204 + 1954511205.

It is an arithmetic number, because the mean of its divisors is an integer number (1954511205).

Almost surely, 2^3909022409 is an apocalyptic number.

It is an amenable number.

3909022409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3909022409 is an equidigital number, since it uses as much as digits as its factorization.

3909022409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3909022409 is about 62522.1753380351. The cubic root of 3909022409 is about 1575.2738126790.

The spelling of 3909022409 in words is "three billion, nine hundred nine million, twenty-two thousand, four hundred nine".