5304847661 has 2 divisors, whose sum is σ = 5304847662. Its totient is φ = 5304847660.

The previous prime is 5304847631. The next prime is 5304847697. The reversal of 5304847661 is 1667484035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2960448100 + 2344399561 = 54410^2 + 48419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5304847661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5304847631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652423830 + 2652423831.

It is an arithmetic number, because the mean of its divisors is an integer number (2652423831).

Almost surely, 2^5304847661 is an apocalyptic number.

It is an amenable number.

5304847661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5304847661 is an equidigital number, since it uses as much as digits as its factorization.

5304847661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 5304847661 is about 72834.3851556392. The cubic root of 5304847661 is about 1744.0448092121.

The spelling of 5304847661 in words is "five billion, three hundred four million, eight hundred forty-seven thousand, six hundred sixty-one".