5244640646563 has 2 divisors, whose sum is σ = 5244640646564. Its totient is φ = 5244640646562.

The previous prime is 5244640646507. The next prime is 5244640646569. The reversal of 5244640646563 is 3656460464425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5244640646563 - 2³⁷ = 5107201693091 is a prime.

It is not a weakly prime, because it can be changed into another prime (5244640646569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622320323281 + 2622320323282.

It is an arithmetic number, because the mean of its divisors is an integer number (2622320323282).

Almost surely, 2^{5244640646563} is an apocalyptic number.

5244640646563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5244640646563 is an equidigital number, since it uses as much as digits as its factorization.

5244640646563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 5244640646563 in words is "five trillion, two hundred forty-four billion, six hundred forty million, six hundred forty-six thousand, five hundred sixty-three".