2664563299 has 4 divisors (see below), whose sum is σ = 2664772864. Its totient is φ = 2664353736.

The previous prime is 2664563191. The next prime is 2664563303. The reversal of 2664563299 is 9923654662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2664563299 - 2¹⁷ = 2664432227 is a prime.

It is a super-3 number, since 3×2664563299³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664563999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84387 + ... + 111580.

It is an arithmetic number, because the mean of its divisors is an integer number (666193216).

Almost surely, 2^2664563299 is an apocalyptic number.

2664563299 is a deficient number, since it is larger than the sum of its proper divisors (209565).

2664563299 is a wasteful number, since it uses less digits than its factorization.

2664563299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209564.

The product of its digits is 4199040, while the sum is 52.

The square root of 2664563299 is about 51619.4081620470. The cubic root of 2664563299 is about 1386.3578543772.

The spelling of 2664563299 in words is "two billion, six hundred sixty-four million, five hundred sixty-three thousand, two hundred ninety-nine".