2663880913 has 2 divisors, whose sum is σ = 2663880914. Its totient is φ = 2663880912.

The previous prime is 2663880911. The next prime is 2663880931. The reversal of 2663880913 is 3190883662.

Together with next prime (2663880931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2663798544 + 82369 = 51612^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663880913 - 2¹ = 2663880911 is a prime.

Together with 2663880911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2663880911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331940456 + 1331940457.

It is an arithmetic number, because the mean of its divisors is an integer number (1331940457).

Almost surely, 2^2663880913 is an apocalyptic number.

It is an amenable number.

2663880913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663880913 is an equidigital number, since it uses as much as digits as its factorization.

2663880913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2663880913 is about 51612.7979574834. The cubic root of 2663880913 is about 1386.2394970262.

The spelling of 2663880913 in words is "two billion, six hundred sixty-three million, eight hundred eighty thousand, nine hundred thirteen".