489574807 has 2 divisors, whose sum is σ = 489574808. Its totient is φ = 489574806.

The previous prime is 489574793. The next prime is 489574817. The reversal of 489574807 is 708475984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489574807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489574817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244787403 + 244787404.

It is an arithmetic number, because the mean of its divisors is an integer number (244787404).

Almost surely, 2^489574807 is an apocalyptic number.

489574807 is a deficient number, since it is larger than the sum of its proper divisors (1).

489574807 is an equidigital number, since it uses as much as digits as its factorization.

489574807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 489574807 is about 22126.3374059061. The cubic root of 489574807 is about 788.1454156942.

The spelling of 489574807 in words is "four hundred eighty-nine million, five hundred seventy-four thousand, eight hundred seven".