2664255263 has 8 divisors (see below), whose sum is σ = 2769232368. Its totient is φ = 2561013504.

The previous prime is 2664255247. The next prime is 2664255287. The reversal of 2664255263 is 3625524662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664255263 - 2⁴ = 2664255247 is a prime.

It is a super-2 number, since 2×2664255263² = 14196512212846398338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664255263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664255203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430706 + ... + 436847.

It is an arithmetic number, because the mean of its divisors is an integer number (346154046).

Almost surely, 2^2664255263 is an apocalyptic number.

2664255263 is a deficient number, since it is larger than the sum of its proper divisors (104977105).

2664255263 is an equidigital number, since it uses as much as digits as its factorization.

2664255263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867673.

The product of its digits is 518400, while the sum is 41.

The square root of 2664255263 is about 51616.4243531068. The cubic root of 2664255263 is about 1386.3044291642.

The spelling of 2664255263 in words is "two billion, six hundred sixty-four million, two hundred fifty-five thousand, two hundred sixty-three".