489706933 has 2 divisors, whose sum is σ = 489706934. Its totient is φ = 489706932.

The previous prime is 489706927. The next prime is 489706949. The reversal of 489706933 is 339607984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488321604 + 1385329 = 22098^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 489706933 - 2⁹ = 489706421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489706033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244853466 + 244853467.

It is an arithmetic number, because the mean of its divisors is an integer number (244853467).

Almost surely, 2^489706933 is an apocalyptic number.

It is an amenable number.

489706933 is a deficient number, since it is larger than the sum of its proper divisors (1).

489706933 is an equidigital number, since it uses as much as digits as its factorization.

489706933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 489706933 is about 22129.3229223128. The cubic root of 489706933 is about 788.2163106376.

The spelling of 489706933 in words is "four hundred eighty-nine million, seven hundred six thousand, nine hundred thirty-three".