492641791 has 4 divisors (see below), whose sum is σ = 505956472. Its totient is φ = 479327112.

The previous prime is 492641767. The next prime is 492641833. The reversal of 492641791 is 197146294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 492641791 - 2⁷ = 492641663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492641701) 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, 6657285 + ... + 6657358.

It is an arithmetic number, because the mean of its divisors is an integer number (126489118).

Almost surely, 2^492641791 is an apocalyptic number.

492641791 is a deficient number, since it is larger than the sum of its proper divisors (13314681).

492641791 is a wasteful number, since it uses less digits than its factorization.

492641791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314680.

The product of its digits is 108864, while the sum is 43.

The square root of 492641791 is about 22195.5353843966. The cubic root of 492641791 is about 789.7877927062.

The spelling of 492641791 in words is "four hundred ninety-two million, six hundred forty-one thousand, seven hundred ninety-one".