2663265863 has 2 divisors, whose sum is σ = 2663265864. Its totient is φ = 2663265862.

The previous prime is 2663265859. The next prime is 2663265911. The reversal of 2663265863 is 3685623662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663265863 - 2² = 2663265859 is a prime.

It is a super-2 number, since 2×2663265863² = 14185970114042269538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663225863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331632931 + 1331632932.

It is an arithmetic number, because the mean of its divisors is an integer number (1331632932).

Almost surely, 2^2663265863 is an apocalyptic number.

2663265863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663265863 is an equidigital number, since it uses as much as digits as its factorization.

2663265863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 47.

The square root of 2663265863 is about 51606.8393044953. The cubic root of 2663265863 is about 1386.1328015374.

The spelling of 2663265863 in words is "two billion, six hundred sixty-three million, two hundred sixty-five thousand, eight hundred sixty-three".