490599289 has 2 divisors, whose sum is σ = 490599290. Its totient is φ = 490599288.

The previous prime is 490599257. The next prime is 490599313. The reversal of 490599289 is 982995094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409455225 + 81144064 = 20235^2 + 9008^2 .

It is a cyclic number.

It is not a de Polignac number, because 490599289 - 2⁵ = 490599257 is a prime.

It is not a weakly prime, because it can be changed into another prime (490599089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245299644 + 245299645.

It is an arithmetic number, because the mean of its divisors is an integer number (245299645).

Almost surely, 2^490599289 is an apocalyptic number.

It is an amenable number.

490599289 is a deficient number, since it is larger than the sum of its proper divisors (1).

490599289 is an equidigital number, since it uses as much as digits as its factorization.

490599289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The square root of 490599289 is about 22149.4760434643. The cubic root of 490599289 is about 788.6947891631.

The spelling of 490599289 in words is "four hundred ninety million, five hundred ninety-nine thousand, two hundred eighty-nine".