494666983 has 2 divisors, whose sum is σ = 494666984. Its totient is φ = 494666982.

The previous prime is 494666981. The next prime is 494666987. The reversal of 494666983 is 389666494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494666983 - 2¹ = 494666981 is a prime.

Together with 494666981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494666981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247333491 + 247333492.

It is an arithmetic number, because the mean of its divisors is an integer number (247333492).

Almost surely, 2^494666983 is an apocalyptic number.

494666983 is a deficient number, since it is larger than the sum of its proper divisors (1).

494666983 is an equidigital number, since it uses as much as digits as its factorization.

494666983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 55.

The square root of 494666983 is about 22241.1102016064. The cubic root of 494666983 is about 790.8685544240.

The spelling of 494666983 in words is "four hundred ninety-four million, six hundred sixty-six thousand, nine hundred eighty-three".