3104344090621 has 4 divisors (see below), whose sum is σ = 3113555794492. Its totient is φ = 3095132386752.

The previous prime is 3104344090571. The next prime is 3104344090721. The reversal of 3104344090621 is 1260904434013.

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 2124612336025 + 979731754596 = 1457605^2 + 989814^2 .

It is a cyclic number.

It is not a de Polignac number, because 3104344090621 - 2²⁵ = 3104310536189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3104344090721) 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, 4605851430 + ... + 4605852103.

It is an arithmetic number, because the mean of its divisors is an integer number (778388948623).

Almost surely, 2^{3104344090621} is an apocalyptic number.

It is an amenable number.

3104344090621 is a deficient number, since it is larger than the sum of its proper divisors (9211703871).

3104344090621 is an equidigital number, since it uses as much as digits as its factorization.

3104344090621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211703870.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 3104344090621 in words is "three trillion, one hundred four billion, three hundred forty-four million, ninety thousand, six hundred twenty-one".