490607569 has 4 divisors (see below), whose sum is σ = 516429040. Its totient is φ = 464786100.

The previous prime is 490607563. The next prime is 490607627. The reversal of 490607569 is 965706094.

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.

It is a cyclic number.

It is not a de Polignac number, because 490607569 - 2³ = 490607561 is a prime.

It is a super-2 number, since 2×490607569² = 481391573520179522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490607561) 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, 12910707 + ... + 12910744.

It is an arithmetic number, because the mean of its divisors is an integer number (129107260).

Almost surely, 2^490607569 is an apocalyptic number.

It is an amenable number.

490607569 is a deficient number, since it is larger than the sum of its proper divisors (25821471).

490607569 is a wasteful number, since it uses less digits than its factorization.

490607569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25821470.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 490607569 is about 22149.6629545463. The cubic root of 490607569 is about 788.6992261556.

The spelling of 490607569 in words is "four hundred ninety million, six hundred seven thousand, five hundred sixty-nine".