492047999 has 2 divisors, whose sum is σ = 492048000. Its totient is φ = 492047998.

The previous prime is 492047989. The next prime is 492048001. The reversal of 492047999 is 999740294.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492047999 is a prime.

It is a super-2 number, since 2×492047999² = 484222466639808002, which contains 22 as substring.

Together with 492048001, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 492047999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492047989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246023999 + 246024000.

It is an arithmetic number, because the mean of its divisors is an integer number (246024000).

Almost surely, 2^492047999 is an apocalyptic number.

492047999 is a deficient number, since it is larger than the sum of its proper divisors (1).

492047999 is an equidigital number, since it uses as much as digits as its factorization.

492047999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 492047999 is about 22182.1549674508. The cubic root of 492047999 is about 789.4703489248.

The spelling of 492047999 in words is "four hundred ninety-two million, forty-seven thousand, nine hundred ninety-nine".