492134681 has 2 divisors, whose sum is σ = 492134682. Its totient is φ = 492134680.

The previous prime is 492134677. The next prime is 492134707. The reversal of 492134681 is 186431294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465869056 + 26265625 = 21584^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 492134681 - 2² = 492134677 is a prime.

It is a super-2 number, since 2×492134681² = 484393088485943522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (492164681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246067340 + 246067341.

It is an arithmetic number, because the mean of its divisors is an integer number (246067341).

Almost surely, 2^492134681 is an apocalyptic number.

It is an amenable number.

492134681 is a deficient number, since it is larger than the sum of its proper divisors (1).

492134681 is an equidigital number, since it uses as much as digits as its factorization.

492134681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 492134681 is about 22184.1087492827. The cubic root of 492134681 is about 789.5167054122.

The spelling of 492134681 in words is "four hundred ninety-two million, one hundred thirty-four thousand, six hundred eighty-one".