492163289 has 4 divisors (see below), whose sum is σ = 518066640. Its totient is φ = 466259940.

The previous prime is 492163279. The next prime is 492163297. The reversal of 492163289 is 982361294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492163289 - 2⁸ = 492163033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (492163279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12951647 + ... + 12951684.

It is an arithmetic number, because the mean of its divisors is an integer number (129516660).

Almost surely, 2^492163289 is an apocalyptic number.

It is an amenable number.

492163289 is a deficient number, since it is larger than the sum of its proper divisors (25903351).

492163289 is a wasteful number, since it uses less digits than its factorization.

492163289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25903350.

The product of its digits is 186624, while the sum is 44.

The square root of 492163289 is about 22184.7535257888. The cubic root of 492163289 is about 789.5320034307.

The spelling of 492163289 in words is "four hundred ninety-two million, one hundred sixty-three thousand, two hundred eighty-nine".