499818953 has 2 divisors, whose sum is σ = 499818954. Its totient is φ = 499818952.

The previous prime is 499818941. The next prime is 499818961. The reversal of 499818953 is 359818994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331130809 + 168688144 = 18197^2 + 12988^2 .

It is a cyclic number.

It is not a de Polignac number, because 499818953 - 2⁶ = 499818889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (499818653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249909476 + 249909477.

It is an arithmetic number, because the mean of its divisors is an integer number (249909477).

Almost surely, 2^499818953 is an apocalyptic number.

It is an amenable number.

499818953 is a deficient number, since it is larger than the sum of its proper divisors (1).

499818953 is an equidigital number, since it uses as much as digits as its factorization.

499818953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 56.

The square root of 499818953 is about 22356.6310744709. The cubic root of 499818953 is about 793.6047163531.

The spelling of 499818953 in words is "four hundred ninety-nine million, eight hundred eighteen thousand, nine hundred fifty-three".