2726231689 has 4 divisors (see below), whose sum is σ = 2730876624. Its totient is φ = 2721586756.

The previous prime is 2726231633. The next prime is 2726231723. The reversal of 2726231689 is 9861326272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2726231689 - 2¹¹ = 2726229641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2726231789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321587 + ... + 2322760.

It is an arithmetic number, because the mean of its divisors is an integer number (682719156).

Almost surely, 2^2726231689 is an apocalyptic number.

It is an amenable number.

2726231689 is a deficient number, since it is larger than the sum of its proper divisors (4644935).

2726231689 is an equidigital number, since it uses as much as digits as its factorization.

2726231689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644934.

The product of its digits is 435456, while the sum is 46.

The square root of 2726231689 is about 52213.3286527492. The cubic root of 2726231689 is about 1396.9716324030.

The spelling of 2726231689 in words is "two billion, seven hundred twenty-six million, two hundred thirty-one thousand, six hundred eighty-nine".