492755665 has 8 divisors (see below), whose sum is σ = 595276200. Its totient is φ = 391558272.

The previous prime is 492755663. The next prime is 492755687. The reversal of 492755665 is 566557294.

It can be written as a sum of positive squares in 4 ways, for example, as 22429696 + 470325969 = 4736^2 + 21687^2 .

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 492755665 - 2¹ = 492755663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492755663) 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, 329964 + ... + 331453.

It is an arithmetic number, because the mean of its divisors is an integer number (74409525).

Almost surely, 2^492755665 is an apocalyptic number.

It is an amenable number.

492755665 is a deficient number, since it is larger than the sum of its proper divisors (102520535).

492755665 is a wasteful number, since it uses less digits than its factorization.

492755665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661571.

The product of its digits is 2268000, while the sum is 49.

The square root of 492755665 is about 22198.1004817980. The cubic root of 492755665 is about 789.8486410874.

The spelling of 492755665 in words is "four hundred ninety-two million, seven hundred fifty-five thousand, six hundred sixty-five".