489575899 has 2 divisors, whose sum is σ = 489575900. Its totient is φ = 489575898.

The previous prime is 489575851. The next prime is 489575909. The reversal of 489575899 is 998575984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489575899 - 2⁷ = 489575771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489575899.

It is not a weakly prime, because it can be changed into another prime (489575399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244787949 + 244787950.

It is an arithmetic number, because the mean of its divisors is an integer number (244787950).

Almost surely, 2^489575899 is an apocalyptic number.

489575899 is a deficient number, since it is larger than the sum of its proper divisors (1).

489575899 is an equidigital number, since it uses as much as digits as its factorization.

489575899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 64.

The square root of 489575899 is about 22126.3620823668. The cubic root of 489575899 is about 788.1460016817.

The spelling of 489575899 in words is "four hundred eighty-nine million, five hundred seventy-five thousand, eight hundred ninety-nine".