499944293 has 2 divisors, whose sum is σ = 499944294. Its totient is φ = 499944292.

The previous prime is 499944287. The next prime is 499944331. The reversal of 499944293 is 392449994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418529764 + 81414529 = 20458^2 + 9023^2 .

It is a cyclic number.

It is not a de Polignac number, because 499944293 - 2¹² = 499940197 is a prime.

It is a super-2 number, since 2×499944293² = 499888592206539698, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499944233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249972146 + 249972147.

It is an arithmetic number, because the mean of its divisors is an integer number (249972147).

Almost surely, 2^499944293 is an apocalyptic number.

It is an amenable number.

499944293 is a deficient number, since it is larger than the sum of its proper divisors (1).

499944293 is an equidigital number, since it uses as much as digits as its factorization.

499944293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 53.

The square root of 499944293 is about 22359.4340939121. The cubic root of 499944293 is about 793.6710484392.

The spelling of 499944293 in words is "four hundred ninety-nine million, nine hundred forty-four thousand, two hundred ninety-three".