490305733 has 2 divisors, whose sum is σ = 490305734. Its totient is φ = 490305732.

The previous prime is 490305731. The next prime is 490305749. The reversal of 490305733 is 337503094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304746849 + 185558884 = 17457^2 + 13622^2 .

It is a cyclic number.

It is not a de Polignac number, because 490305733 - 2¹ = 490305731 is a prime.

Together with 490305731, 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 (490305731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245152866 + 245152867.

It is an arithmetic number, because the mean of its divisors is an integer number (245152867).

Almost surely, 2^490305733 is an apocalyptic number.

It is an amenable number.

490305733 is a deficient number, since it is larger than the sum of its proper divisors (1).

490305733 is an equidigital number, since it uses as much as digits as its factorization.

490305733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 490305733 is about 22142.8483488462. The cubic root of 490305733 is about 788.5374494312.

The spelling of 490305733 in words is "four hundred ninety million, three hundred five thousand, seven hundred thirty-three".