499975999 has 2 divisors, whose sum is σ = 499976000. Its totient is φ = 499975998.

The previous prime is 499975969. The next prime is 499976003. The reversal of 499975999 is 999579994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499975999 - 2¹¹ = 499973951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499975969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249987999 + 249988000.

It is an arithmetic number, because the mean of its divisors is an integer number (249988000).

Almost surely, 2^499975999 is an apocalyptic number.

499975999 is a deficient number, since it is larger than the sum of its proper divisors (1).

499975999 is an equidigital number, since it uses as much as digits as its factorization.

499975999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74401740, while the sum is 70.

The square root of 499975999 is about 22360.1430898821. The cubic root of 499975999 is about 793.6878260433.

The spelling of 499975999 in words is "four hundred ninety-nine million, nine hundred seventy-five thousand, nine hundred ninety-nine".