2663665003 has 2 divisors, whose sum is σ = 2663665004. Its totient is φ = 2663665002.

The previous prime is 2663665001. The next prime is 2663665033. The reversal of 2663665003 is 3005663662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663665003 - 2¹ = 2663665001 is a prime.

It is a super-2 number, since 2×2663665003² = 14190222496413980018, which contains 22 as substring.

Together with 2663665001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2663665001) 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, 1331832501 + 1331832502.

It is an arithmetic number, because the mean of its divisors is an integer number (1331832502).

Almost surely, 2^2663665003 is an apocalyptic number.

2663665003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663665003 is an equidigital number, since it uses as much as digits as its factorization.

2663665003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 2663665003 is about 51610.7062827084. The cubic root of 2663665003 is about 1386.2020440186.

The spelling of 2663665003 in words is "two billion, six hundred sixty-three million, six hundred sixty-five thousand, three".