3090665709 has 12 divisors (see below), whose sum is σ = 4514456700. Its totient is φ = 2037292224.

The previous prime is 3090665653. The next prime is 3090665717. The reversal of 3090665709 is 9075660903.

It can be written as a sum of positive squares in 2 ways, for example, as 908841609 + 2181824100 = 30147^2 + 46710^2 .

It is not a de Polignac number, because 3090665709 - 2⁹ = 3090665197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3090665719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1928454 + ... + 1930055.

It is an arithmetic number, because the mean of its divisors is an integer number (376204725).

Almost surely, 2^3090665709 is an apocalyptic number.

It is an amenable number.

3090665709 is a deficient number, since it is larger than the sum of its proper divisors (1423790991).

3090665709 is a wasteful number, since it uses less digits than its factorization.

3090665709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858604 (or 3858601 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 3090665709 is about 55593.7560252948. The cubic root of 3090665709 is about 1456.6347884450.

The spelling of 3090665709 in words is "three billion, ninety million, six hundred sixty-five thousand, seven hundred nine".