673488653 has 2 divisors, whose sum is σ = 673488654. Its totient is φ = 673488652.

The previous prime is 673488637. The next prime is 673488727. The reversal of 673488653 is 356884376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534673129 + 138815524 = 23123^2 + 11782^2 .

It is a cyclic number.

It is not a de Polignac number, because 673488653 - 2⁴ = 673488637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673488853) 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, 336744326 + 336744327.

It is an arithmetic number, because the mean of its divisors is an integer number (336744327).

Almost surely, 2^673488653 is an apocalyptic number.

It is an amenable number.

673488653 is a deficient number, since it is larger than the sum of its proper divisors (1).

673488653 is an equidigital number, since it uses as much as digits as its factorization.

673488653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 673488653 is about 25951.6599276424. The cubic root of 673488653 is about 876.5501351240.

The spelling of 673488653 in words is "six hundred seventy-three million, four hundred eighty-eight thousand, six hundred fifty-three".