499918286353 has 2 divisors, whose sum is σ = 499918286354. Its totient is φ = 499918286352.

The previous prime is 499918286347. The next prime is 499918286401. The reversal of 499918286353 is 353682819994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496224442624 + 3693843729 = 704432^2 + 60777^2 .

It is a cyclic number.

It is not a de Polignac number, because 499918286353 - 2¹³ = 499918278161 is a prime.

It is not a weakly prime, because it can be changed into another prime (499918286053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249959143176 + 249959143177.

It is an arithmetic number, because the mean of its divisors is an integer number (249959143177).

Almost surely, 2^499918286353 is an apocalyptic number.

It is an amenable number.

499918286353 is a deficient number, since it is larger than the sum of its proper divisors (1).

499918286353 is an equidigital number, since it uses as much as digits as its factorization.

499918286353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100776960, while the sum is 67.

The spelling of 499918286353 in words is "four hundred ninety-nine billion, nine hundred eighteen million, two hundred eighty-six thousand, three hundred fifty-three".