490236473 has 2 divisors, whose sum is σ = 490236474. Its totient is φ = 490236472.

The previous prime is 490236457. The next prime is 490236491. The reversal of 490236473 is 374632094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452327824 + 37908649 = 21268^2 + 6157^2 .

It is a cyclic number.

It is not a de Polignac number, because 490236473 - 2⁴ = 490236457 is a prime.

It is not a weakly prime, because it can be changed into another prime (490236403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245118236 + 245118237.

It is an arithmetic number, because the mean of its divisors is an integer number (245118237).

Almost surely, 2^490236473 is an apocalyptic number.

It is an amenable number.

490236473 is a deficient number, since it is larger than the sum of its proper divisors (1).

490236473 is an equidigital number, since it uses as much as digits as its factorization.

490236473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 490236473 is about 22141.2843575074. The cubic root of 490236473 is about 788.5003183979.

The spelling of 490236473 in words is "four hundred ninety million, two hundred thirty-six thousand, four hundred seventy-three".