2265516863 has 2 divisors, whose sum is σ = 2265516864. Its totient is φ = 2265516862.

The previous prime is 2265516833. The next prime is 2265516887. The reversal of 2265516863 is 3686155622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2265516863 - 2¹⁶ = 2265451327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265516833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132758431 + 1132758432.

It is an arithmetic number, because the mean of its divisors is an integer number (1132758432).

Almost surely, 2^2265516863 is an apocalyptic number.

2265516863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265516863 is an equidigital number, since it uses as much as digits as its factorization.

2265516863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 44.

The square root of 2265516863 is about 47597.4459713964. The cubic root of 2265516863 is about 1313.3760718926.

The spelling of 2265516863 in words is "two billion, two hundred sixty-five million, five hundred sixteen thousand, eight hundred sixty-three".