2663893868 has 12 divisors (see below), whose sum is σ = 4663540392. Its totient is φ = 1331453760.

The previous prime is 2663893867. The next prime is 2663893877. The reversal of 2663893868 is 8683983662.

It is not an unprimeable number, because it can be changed into a prime (2663893867) 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 in 3 ways as a sum of consecutive naturals, for example, 111005 + ... + 132852.

It is an arithmetic number, because the mean of its divisors is an integer number (388628366).

Almost surely, 2^2663893868 is an apocalyptic number.

It is an amenable number.

2663893868 is a deficient number, since it is larger than the sum of its proper divisors (1999646524).

2663893868 is a wasteful number, since it uses less digits than its factorization.

2663893868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246592 (or 246590 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 59.

The square root of 2663893868 is about 51612.9234591493. The cubic root of 2663893868 is about 1386.2417442117.

The spelling of 2663893868 in words is "two billion, six hundred sixty-three million, eight hundred ninety-three thousand, eight hundred sixty-eight".