494503811 has 2 divisors, whose sum is σ = 494503812. Its totient is φ = 494503810.

The previous prime is 494503787. The next prime is 494503813. The reversal of 494503811 is 118305494.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494503811 is a prime.

Together with 494503813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494503813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247251905 + 247251906.

It is an arithmetic number, because the mean of its divisors is an integer number (247251906).

Almost surely, 2^494503811 is an apocalyptic number.

494503811 is a deficient number, since it is larger than the sum of its proper divisors (1).

494503811 is an equidigital number, since it uses as much as digits as its factorization.

494503811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 494503811 is about 22237.4416469161. The cubic root of 494503811 is about 790.7815856146.

The spelling of 494503811 in words is "four hundred ninety-four million, five hundred three thousand, eight hundred eleven".