5206664623 has 2 divisors, whose sum is σ = 5206664624. Its totient is φ = 5206664622.

The previous prime is 5206664581. The next prime is 5206664651. The reversal of 5206664623 is 3264666025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5206664623 - 2²⁵ = 5173110191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5206664663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603332311 + 2603332312.

It is an arithmetic number, because the mean of its divisors is an integer number (2603332312).

Almost surely, 2^5206664623 is an apocalyptic number.

5206664623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206664623 is an equidigital number, since it uses as much as digits as its factorization.

5206664623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 5206664623 is about 72157.2215582058. The cubic root of 5206664623 is about 1733.2180430427.

The spelling of 5206664623 in words is "five billion, two hundred six million, six hundred sixty-four thousand, six hundred twenty-three".