2689133473 has 4 divisors (see below), whose sum is σ = 2895989908. Its totient is φ = 2482277040.

The previous prime is 2689133467. The next prime is 2689133477. The reversal of 2689133473 is 3743319862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1025472529 + 1663660944 = 32023^2 + 40788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2689133473 - 2¹⁷ = 2689002401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689133477) 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 3 ways as a sum of consecutive naturals, for example, 103428198 + ... + 103428223.

It is an arithmetic number, because the mean of its divisors is an integer number (723997477).

Almost surely, 2^2689133473 is an apocalyptic number.

It is an amenable number.

2689133473 is a deficient number, since it is larger than the sum of its proper divisors (206856435).

2689133473 is a wasteful number, since it uses less digits than its factorization.

2689133473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206856434.

The product of its digits is 653184, while the sum is 46.

The square root of 2689133473 is about 51856.8556027070. The cubic root of 2689133473 is about 1390.6060661231.

The spelling of 2689133473 in words is "two billion, six hundred eighty-nine million, one hundred thirty-three thousand, four hundred seventy-three".