490067489 has 4 divisors (see below), whose sum is σ = 496969920. Its totient is φ = 483165060.

The previous prime is 490067471. The next prime is 490067497. The reversal of 490067489 is 984760094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984760094 = 2 ⋅492380047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490067489 is a prime.

It is a super-2 number, since 2×490067489² = 480332287549530242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490067089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451109 + ... + 3451250.

It is an arithmetic number, because the mean of its divisors is an integer number (124242480).

Almost surely, 2^490067489 is an apocalyptic number.

It is an amenable number.

490067489 is a deficient number, since it is larger than the sum of its proper divisors (6902431).

490067489 is an equidigital number, since it uses as much as digits as its factorization.

490067489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902430.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 490067489 is about 22137.4679898131. The cubic root of 490067489 is about 788.4097095742.

The spelling of 490067489 in words is "four hundred ninety million, sixty-seven thousand, four hundred eighty-nine".