494942473 has 2 divisors, whose sum is σ = 494942474. Its totient is φ = 494942472.

The previous prime is 494942453. The next prime is 494942519. The reversal of 494942473 is 374249494.

It is an a-pointer prime, because the next prime (494942519) can be obtained adding 494942473 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481714704 + 13227769 = 21948^2 + 3637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494942473 is a prime.

It is not a weakly prime, because it can be changed into another prime (494942453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247471236 + 247471237.

It is an arithmetic number, because the mean of its divisors is an integer number (247471237).

Almost surely, 2^494942473 is an apocalyptic number.

It is an amenable number.

494942473 is a deficient number, since it is larger than the sum of its proper divisors (1).

494942473 is an equidigital number, since it uses as much as digits as its factorization.

494942473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 494942473 is about 22247.3026005401. The cubic root of 494942473 is about 791.0153440498.

The spelling of 494942473 in words is "four hundred ninety-four million, nine hundred forty-two thousand, four hundred seventy-three".