489639299 has 2 divisors, whose sum is σ = 489639300. Its totient is φ = 489639298.

The previous prime is 489639247. The next prime is 489639347. The reversal of 489639299 is 992936984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489639299 - 2⁸ = 489639043 is a prime.

It is a super-2 number, since 2×489639299² = 479493286250422802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489639239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244819649 + 244819650.

It is an arithmetic number, because the mean of its divisors is an integer number (244819650).

Almost surely, 2^489639299 is an apocalyptic number.

489639299 is a deficient number, since it is larger than the sum of its proper divisors (1).

489639299 is an equidigital number, since it uses as much as digits as its factorization.

489639299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 59.

The square root of 489639299 is about 22127.7947161483. The cubic root of 489639299 is about 788.1800218066.

The spelling of 489639299 in words is "four hundred eighty-nine million, six hundred thirty-nine thousand, two hundred ninety-nine".