2642663333 has 2 divisors, whose sum is σ = 2642663334. Its totient is φ = 2642663332.

The previous prime is 2642663327. The next prime is 2642663363. The reversal of 2642663333 is 3333662462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1867709089 + 774954244 = 43217^2 + 27838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642663333 - 2²⁶ = 2575554469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642663363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321331666 + 1321331667.

It is an arithmetic number, because the mean of its divisors is an integer number (1321331667).

Almost surely, 2^2642663333 is an apocalyptic number.

It is an amenable number.

2642663333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642663333 is an equidigital number, since it uses as much as digits as its factorization.

2642663333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 38.

The square root of 2642663333 is about 51406.8413054138. The cubic root of 2642663333 is about 1382.5492564204.

The spelling of 2642663333 in words is "two billion, six hundred forty-two million, six hundred sixty-three thousand, three hundred thirty-three".