489517799 has 2 divisors, whose sum is σ = 489517800. Its totient is φ = 489517798.

The previous prime is 489517789. The next prime is 489517823. The reversal of 489517799 is 997715984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489517799 - 2⁴ = 489517783 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489517759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244758899 + 244758900.

It is an arithmetic number, because the mean of its divisors is an integer number (244758900).

Almost surely, 2^489517799 is an apocalyptic number.

489517799 is a deficient number, since it is larger than the sum of its proper divisors (1).

489517799 is an equidigital number, since it uses as much as digits as its factorization.

489517799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 59.

The square root of 489517799 is about 22125.0491298890. The cubic root of 489517799 is about 788.1148229313.

The spelling of 489517799 in words is "four hundred eighty-nine million, five hundred seventeen thousand, seven hundred ninety-nine".