999485299 has 2 divisors, whose sum is σ = 999485300. Its totient is φ = 999485298.

The previous prime is 999485287. The next prime is 999485303. The reversal of 999485299 is 992584999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999485299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999485299.

It is not a weakly prime, because it can be changed into another prime (999485209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499742649 + 499742650.

It is an arithmetic number, because the mean of its divisors is an integer number (499742650).

Almost surely, 2^999485299 is an apocalyptic number.

999485299 is a deficient number, since it is larger than the sum of its proper divisors (1).

999485299 is an equidigital number, since it uses as much as digits as its factorization.

999485299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18895680, while the sum is 64.

The square root of 999485299 is about 31614.6374168675. The cubic root of 999485299 is about 999.8284035563.

The spelling of 999485299 in words is "nine hundred ninety-nine million, four hundred eighty-five thousand, two hundred ninety-nine".