2726342189 has 2 divisors, whose sum is σ = 2726342190. Its totient is φ = 2726342188.

The previous prime is 2726342161. The next prime is 2726342239. The reversal of 2726342189 is 9812436272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2157138025 + 569204164 = 46445^2 + 23858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2726342189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2726342159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363171094 + 1363171095.

It is an arithmetic number, because the mean of its divisors is an integer number (1363171095).

Almost surely, 2^2726342189 is an apocalyptic number.

It is an amenable number.

2726342189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726342189 is an equidigital number, since it uses as much as digits as its factorization.

2726342189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 2726342189 is about 52214.3868009575. The cubic root of 2726342189 is about 1396.9905062305.

The spelling of 2726342189 in words is "two billion, seven hundred twenty-six million, three hundred forty-two thousand, one hundred eighty-nine".