499227947593 has 2 divisors, whose sum is σ = 499227947594. Its totient is φ = 499227947592.

The previous prime is 499227947591. The next prime is 499227947627. The reversal of 499227947593 is 395749722994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348841434384 + 150386513209 = 590628^2 + 387797^2 .

It is a cyclic number.

It is not a de Polignac number, because 499227947593 - 2¹ = 499227947591 is a prime.

Together with 499227947591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (499227947591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249613973796 + 249613973797.

It is an arithmetic number, because the mean of its divisors is an integer number (249613973797).

Almost surely, 2^499227947593 is an apocalyptic number.

It is an amenable number.

499227947593 is a deficient number, since it is larger than the sum of its proper divisors (1).

499227947593 is an equidigital number, since it uses as much as digits as its factorization.

499227947593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308629440, while the sum is 70.

The spelling of 499227947593 in words is "four hundred ninety-nine billion, two hundred twenty-seven million, nine hundred forty-seven thousand, five hundred ninety-three".