673335893 has 2 divisors, whose sum is σ = 673335894. Its totient is φ = 673335892.

The previous prime is 673335829. The next prime is 673335899. The reversal of 673335893 is 398533376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647549809 + 25786084 = 25447^2 + 5078^2 .

It is a cyclic number.

It is not a de Polignac number, because 673335893 - 2⁶ = 673335829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673335899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336667946 + 336667947.

It is an arithmetic number, because the mean of its divisors is an integer number (336667947).

Almost surely, 2^673335893 is an apocalyptic number.

It is an amenable number.

673335893 is a deficient number, since it is larger than the sum of its proper divisors (1).

673335893 is an equidigital number, since it uses as much as digits as its factorization.

673335893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 47.

The square root of 673335893 is about 25948.7165963945. The cubic root of 673335893 is about 876.4838573810.

The spelling of 673335893 in words is "six hundred seventy-three million, three hundred thirty-five thousand, eight hundred ninety-three".