673696030289 has 4 divisors (see below), whose sum is σ = 673699350324. Its totient is φ = 673692710256.

The previous prime is 673696030283. The next prime is 673696030291. The reversal of 673696030289 is 982030696376.

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 428291713600 + 245404316689 = 654440^2 + 495383^2 .

It is a cyclic number.

It is not a de Polignac number, because 673696030289 - 2²⁴ = 673679253073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673696030283) 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, 1334342 + ... + 1768575.

It is an arithmetic number, because the mean of its divisors is an integer number (168424837581).

Almost surely, 2^673696030289 is an apocalyptic number.

It is an amenable number.

673696030289 is a deficient number, since it is larger than the sum of its proper divisors (3320035).

673696030289 is a wasteful number, since it uses less digits than its factorization.

673696030289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320034.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 673696030289 in words is "six hundred seventy-three billion, six hundred ninety-six million, thirty thousand, two hundred eighty-nine".