2538568623863 has 2 divisors, whose sum is σ = 2538568623864. Its totient is φ = 2538568623862.

The previous prime is 2538568623839. The next prime is 2538568623937. The reversal of 2538568623863 is 3683268658352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2538568623863 - 2¹⁰ = 2538568622839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2538568623863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2538568623163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269284311931 + 1269284311932.

It is an arithmetic number, because the mean of its divisors is an integer number (1269284311932).

Almost surely, 2^{2538568623863} is an apocalyptic number.

2538568623863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538568623863 is an equidigital number, since it uses as much as digits as its factorization.

2538568623863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298598400, while the sum is 65.

The spelling of 2538568623863 in words is "two trillion, five hundred thirty-eight billion, five hundred sixty-eight million, six hundred twenty-three thousand, eight hundred sixty-three".