492938291 has 2 divisors, whose sum is σ = 492938292. Its totient is φ = 492938290.

The previous prime is 492938287. The next prime is 492938311. The reversal of 492938291 is 192839294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492938291 - 2² = 492938287 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (492938191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246469145 + 246469146.

It is an arithmetic number, because the mean of its divisors is an integer number (246469146).

Almost surely, 2^492938291 is an apocalyptic number.

492938291 is a deficient number, since it is larger than the sum of its proper divisors (1).

492938291 is an equidigital number, since it uses as much as digits as its factorization.

492938291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 492938291 is about 22202.2136508953. The cubic root of 492938291 is about 789.9462074145.

The spelling of 492938291 in words is "four hundred ninety-two million, nine hundred thirty-eight thousand, two hundred ninety-one".