5656304765 has 4 divisors (see below), whose sum is σ = 6787565724. Its totient is φ = 4525043808.

The previous prime is 5656304761. The next prime is 5656304767. The reversal of 5656304765 is 5674036565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5674036565 = 5 ⋅1134807313.

It can be written as a sum of positive squares in 2 ways, for example, as 3286270276 + 2370034489 = 57326^2 + 48683^2 .

It is a cyclic number.

It is not a de Polignac number, because 5656304765 - 2² = 5656304761 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 (5656304761) 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, 565630472 + ... + 565630481.

It is an arithmetic number, because the mean of its divisors is an integer number (1696891431).

Almost surely, 2^5656304765 is an apocalyptic number.

It is an amenable number.

5656304765 is a deficient number, since it is larger than the sum of its proper divisors (1131260959).

5656304765 is a wasteful number, since it uses less digits than its factorization.

5656304765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131260958.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The square root of 5656304765 is about 75208.4088716149. The cubic root of 5656304765 is about 1781.7397421560.

The spelling of 5656304765 in words is "five billion, six hundred fifty-six million, three hundred four thousand, seven hundred sixty-five".