499924993 has 2 divisors, whose sum is σ = 499924994. Its totient is φ = 499924992.

The previous prime is 499924981. The next prime is 499925011. The reversal of 499924993 is 399429994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432307264 + 67617729 = 20792^2 + 8223^2 .

It is a cyclic number.

It is not a de Polignac number, because 499924993 - 2⁵ = 499924961 is a prime.

It is not a weakly prime, because it can be changed into another prime (499924963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249962496 + 249962497.

It is an arithmetic number, because the mean of its divisors is an integer number (249962497).

Almost surely, 2^499924993 is an apocalyptic number.

It is an amenable number.

499924993 is a deficient number, since it is larger than the sum of its proper divisors (1).

499924993 is an equidigital number, since it uses as much as digits as its factorization.

499924993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5668704, while the sum is 58.

The square root of 499924993 is about 22359.0025045841. The cubic root of 499924993 is about 793.6608352691.

It can be divided in two parts, 4999 and 24993, that added together give a palindrome (29992).

The spelling of 499924993 in words is "four hundred ninety-nine million, nine hundred twenty-four thousand, nine hundred ninety-three".