3090939409 has 4 divisors (see below), whose sum is σ = 3091276516. Its totient is φ = 3090602304.

The previous prime is 3090939391. The next prime is 3090939419. The reversal of 3090939409 is 9049390903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2314091025 + 776848384 = 48105^2 + 27872^2 .

It is a cyclic number.

It is not a de Polignac number, because 3090939409 - 2⁹ = 3090938897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3090939419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154404 + ... + 173269.

It is an arithmetic number, because the mean of its divisors is an integer number (772819129).

Almost surely, 2^3090939409 is an apocalyptic number.

It is an amenable number.

3090939409 is a deficient number, since it is larger than the sum of its proper divisors (337107).

3090939409 is an equidigital number, since it uses as much as digits as its factorization.

3090939409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337106.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 3090939409 is about 55596.2175781770. The cubic root of 3090939409 is about 1456.6777855650.

The spelling of 3090939409 in words is "three billion, ninety million, nine hundred thirty-nine thousand, four hundred nine".