492636871 has 2 divisors, whose sum is σ = 492636872. Its totient is φ = 492636870.

The previous prime is 492636869. The next prime is 492636877. The reversal of 492636871 is 178636294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492636871 - 2¹ = 492636869 is a prime.

Together with 492636869, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492636877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246318435 + 246318436.

It is an arithmetic number, because the mean of its divisors is an integer number (246318436).

Almost surely, 2^492636871 is an apocalyptic number.

492636871 is a deficient number, since it is larger than the sum of its proper divisors (1).

492636871 is an equidigital number, since it uses as much as digits as its factorization.

492636871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 492636871 is about 22195.4245510195. The cubic root of 492636871 is about 789.7851635012.

The spelling of 492636871 in words is "four hundred ninety-two million, six hundred thirty-six thousand, eight hundred seventy-one".