2726669889 has 6 divisors (see below), whose sum is σ = 3938523186. Its totient is φ = 1817779920.

The previous prime is 2726669857. The next prime is 2726669893. The reversal of 2726669889 is 9889666272.

It can be written as a sum of positive squares in only one way, i.e., 1426346289 + 1300323600 = 37767^2 + 36060^2 .

It is not a de Polignac number, because 2726669889 - 2⁵ = 2726669857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2726662889) 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 in 5 ways as a sum of consecutive naturals, for example, 151481652 + ... + 151481669.

It is an arithmetic number, because the mean of its divisors is an integer number (656420531).

Almost surely, 2^2726669889 is an apocalyptic number.

It is an amenable number.

2726669889 is a deficient number, since it is larger than the sum of its proper divisors (1211853297).

2726669889 is a wasteful number, since it uses less digits than its factorization.

2726669889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302963327 (or 302963324 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 2726669889 is about 52217.5247306879. The cubic root of 2726669889 is about 1397.0464756597.

The spelling of 2726669889 in words is "two billion, seven hundred twenty-six million, six hundred sixty-nine thousand, eight hundred eighty-nine".