492609069 has 12 divisors (see below), whose sum is σ = 711836892. Its totient is φ = 328272000.

The previous prime is 492609001. The next prime is 492609077. The reversal of 492609069 is 960906294.

It can be written as a sum of positive squares in 2 ways, for example, as 184606569 + 308002500 = 13587^2 + 17550^2 .

It is a de Polignac number, because none of the positive numbers 2^k-492609069 is a prime.

It is a super-2 number, since 2×492609069² = 485327389722093522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492609079) 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 11 ways as a sum of consecutive naturals, for example, 15439 + ... + 34979.

It is an arithmetic number, because the mean of its divisors is an integer number (59319741).

Almost surely, 2^492609069 is an apocalyptic number.

It is an amenable number.

492609069 is a deficient number, since it is larger than the sum of its proper divisors (219227823).

492609069 is a wasteful number, since it uses less digits than its factorization.

492609069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22348 (or 22345 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 492609069 is about 22194.7982419305. The cubic root of 492609069 is about 789.7703060260.

The spelling of 492609069 in words is "four hundred ninety-two million, six hundred nine thousand, sixty-nine".