490709459 has 2 divisors, whose sum is σ = 490709460. Its totient is φ = 490709458.

The previous prime is 490709413. The next prime is 490709473. The reversal of 490709459 is 954907094.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490709459 is a prime.

It is not a weakly prime, because it can be changed into another prime (490709159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245354729 + 245354730.

It is an arithmetic number, because the mean of its divisors is an integer number (245354730).

Almost surely, 2^490709459 is an apocalyptic number.

490709459 is a deficient number, since it is larger than the sum of its proper divisors (1).

490709459 is an equidigital number, since it uses as much as digits as its factorization.

490709459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 490709459 is about 22151.9628701386. The cubic root of 490709459 is about 788.7538217270.

The spelling of 490709459 in words is "four hundred ninety million, seven hundred nine thousand, four hundred fifty-nine".