2673668689 has 4 divisors (see below), whose sum is σ = 2674085220. Its totient is φ = 2673252160.

The previous prime is 2673668629. The next prime is 2673668713. The reversal of 2673668689 is 9868663762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9868663762 = 2 ⋅4934331881.

It can be written as a sum of positive squares in 2 ways, for example, as 2387788225 + 285880464 = 48865^2 + 16908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2673668689 - 2¹³ = 2673660497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2673668609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198484 + ... + 211525.

It is an arithmetic number, because the mean of its divisors is an integer number (668521305).

Almost surely, 2^2673668689 is an apocalyptic number.

It is an amenable number.

2673668689 is a deficient number, since it is larger than the sum of its proper divisors (416531).

2673668689 is an equidigital number, since it uses as much as digits as its factorization.

2673668689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416530.

The product of its digits is 31352832, while the sum is 61.

The square root of 2673668689 is about 51707.5302929854. The cubic root of 2673668689 is about 1387.9352207072.

The spelling of 2673668689 in words is "two billion, six hundred seventy-three million, six hundred sixty-eight thousand, six hundred eighty-nine".