2639080243 has 8 divisors (see below), whose sum is σ = 2760760800. Its totient is φ = 2519444928.

The previous prime is 2639080229. The next prime is 2639080247. The reversal of 2639080243 is 3420809362.

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 2639080243 - 2⁵ = 2639080211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2639080247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508671 + ... + 513832.

It is an arithmetic number, because the mean of its divisors is an integer number (345095100).

Almost surely, 2^2639080243 is an apocalyptic number.

2639080243 is a deficient number, since it is larger than the sum of its proper divisors (121680557).

2639080243 is a wasteful number, since it uses less digits than its factorization.

2639080243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022621.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2639080243 is about 51371.9791617960. The cubic root of 2639080243 is about 1381.9241245780.

The spelling of 2639080243 in words is "two billion, six hundred thirty-nine million, eighty thousand, two hundred forty-three".