490481569 has 8 divisors (see below), whose sum is σ = 519533568. Its totient is φ = 461451840.

The previous prime is 490481549. The next prime is 490481609. The reversal of 490481569 is 965184094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490481569 - 2⁷ = 490481441 is a prime.

It is a super-2 number, since 2×490481569² = 481144339057403522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490481549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66664 + ... + 73654.

It is an arithmetic number, because the mean of its divisors is an integer number (64941696).

Almost surely, 2^490481569 is an apocalyptic number.

It is an amenable number.

490481569 is a deficient number, since it is larger than the sum of its proper divisors (29051999).

490481569 is a wasteful number, since it uses less digits than its factorization.

490481569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 490481569 is about 22146.8184848298. The cubic root of 490481569 is about 788.6317013031.

The spelling of 490481569 in words is "four hundred ninety million, four hundred eighty-one thousand, five hundred sixty-nine".