2675664263 has 4 divisors (see below), whose sum is σ = 2675970528. Its totient is φ = 2675358000.

The previous prime is 2675664259. The next prime is 2675664301. The reversal of 2675664263 is 3624665762.

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 2675664263 - 2² = 2675664259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2675664253) 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, 139631 + ... + 157632.

It is an arithmetic number, because the mean of its divisors is an integer number (668992632).

Almost surely, 2^2675664263 is an apocalyptic number.

2675664263 is a deficient number, since it is larger than the sum of its proper divisors (306265).

2675664263 is an equidigital number, since it uses as much as digits as its factorization.

2675664263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306264.

The product of its digits is 2177280, while the sum is 47.

The square root of 2675664263 is about 51726.8234381351. The cubic root of 2675664263 is about 1388.2804440636.

It can be divided in two parts, 26756 and 64263, that added together give a palindrome (91019).

The spelling of 2675664263 in words is "two billion, six hundred seventy-five million, six hundred sixty-four thousand, two hundred sixty-three".