2665084863 has 24 divisors (see below), whose sum is σ = 4148272128. Its totient is φ = 1517500656.

The previous prime is 2665084847. The next prime is 2665084867. The reversal of 2665084863 is 3684805662.

It is not a de Polignac number, because 2665084863 - 2⁴ = 2665084847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665084867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9570 + ... + 73632.

It is an arithmetic number, because the mean of its divisors is an integer number (172844672).

Almost surely, 2^2665084863 is an apocalyptic number.

2665084863 is a deficient number, since it is larger than the sum of its proper divisors (1483187265).

2665084863 is a wasteful number, since it uses less digits than its factorization.

2665084863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64363 (or 64356 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 2665084863 is about 51624.4599293784. The cubic root of 2665084863 is about 1386.4483041175.

The spelling of 2665084863 in words is "two billion, six hundred sixty-five million, eighty-four thousand, eight hundred sixty-three".