673589951 has 4 divisors (see below), whose sum is σ = 674585592. Its totient is φ = 672594312.

The previous prime is 673589933. The next prime is 673589953. The reversal of 673589951 is 159985376.

673589951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 673589951 - 2⁶ = 673589887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673589893 and 673589902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673589953) 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, 496805 + ... + 498158.

It is an arithmetic number, because the mean of its divisors is an integer number (168646398).

Almost surely, 2^673589951 is an apocalyptic number.

673589951 is a deficient number, since it is larger than the sum of its proper divisors (995641).

673589951 is an equidigital number, since it uses as much as digits as its factorization.

673589951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995640.

The product of its digits is 2041200, while the sum is 53.

The square root of 673589951 is about 25953.6115213278. The cubic root of 673589951 is about 876.5940796032.

The spelling of 673589951 in words is "six hundred seventy-three million, five hundred eighty-nine thousand, nine hundred fifty-one".