492989369 has 8 divisors (see below), whose sum is σ = 507087048. Its totient is φ = 478932480.

The previous prime is 492989353. The next prime is 492989389. The reversal of 492989369 is 963989294.

It can be written as a sum of positive squares in 4 ways, for example, as 458473744 + 34515625 = 21412^2 + 5875^2 .

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 492989369 - 2⁴ = 492989353 is a prime.

It is a super-2 number, since 2×492989369² = 486077035894036322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492989389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15209 + ... + 34889.

It is an arithmetic number, because the mean of its divisors is an integer number (63385881).

Almost surely, 2^492989369 is an apocalyptic number.

It is an amenable number.

492989369 is a deficient number, since it is larger than the sum of its proper divisors (14097679).

492989369 is a wasteful number, since it uses less digits than its factorization.

492989369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20395.

The product of its digits is 7558272, while the sum is 59.

The square root of 492989369 is about 22203.3639118040. The cubic root of 492989369 is about 789.9734910722.

The spelling of 492989369 in words is "four hundred ninety-two million, nine hundred eighty-nine thousand, three hundred sixty-nine".