492420569 has 4 divisors (see below), whose sum is σ = 494534196. Its totient is φ = 490306944.

The previous prime is 492420559. The next prime is 492420583. The reversal of 492420569 is 965024294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207216025 + 285204544 = 14395^2 + 16888^2 .

It is a cyclic number.

It is not a de Polignac number, because 492420569 - 2⁴ = 492420553 is a prime.

It is a super-2 number, since 2×492420569² = 484956033548567522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492420559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056464 + ... + 1056929.

It is an arithmetic number, because the mean of its divisors is an integer number (123633549).

Almost surely, 2^492420569 is an apocalyptic number.

It is an amenable number.

492420569 is a deficient number, since it is larger than the sum of its proper divisors (2113627).

492420569 is a wasteful number, since it uses less digits than its factorization.

492420569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113626.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 492420569 is about 22190.5513451108. The cubic root of 492420569 is about 789.6695562936.

The spelling of 492420569 in words is "four hundred ninety-two million, four hundred twenty thousand, five hundred sixty-nine".