492205491 has 14 divisors (see below), whose sum is σ = 737971740. Its totient is φ = 328136508.

The previous prime is 492205481. The next prime is 492205499. The reversal of 492205491 is 194502294.

492205491 is a `hidden beast` number, since 4 + 92 + 20 + 549 + 1 = 666.

It is not a de Polignac number, because 492205491 - 2⁵ = 492205459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492205499) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 336861 + ... + 338318.

Almost surely, 2^492205491 is an apocalyptic number.

492205491 is a deficient number, since it is larger than the sum of its proper divisors (245766249).

492205491 is an frugal number, since it uses more digits than its factorization.

492205491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675197 (or 675182 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 492205491 is about 22185.7046541236. The cubic root of 492205491 is about 789.5545697063.

The spelling of 492205491 in words is "four hundred ninety-two million, two hundred five thousand, four hundred ninety-one".