492891967 has 2 divisors, whose sum is σ = 492891968. Its totient is φ = 492891966.

The previous prime is 492891947. The next prime is 492892009. The reversal of 492891967 is 769198294.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492891967 is a prime.

It is a super-2 number, since 2×492891967² = 485884982266258178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492891937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246445983 + 246445984.

It is an arithmetic number, because the mean of its divisors is an integer number (246445984).

Almost surely, 2^492891967 is an apocalyptic number.

492891967 is a deficient number, since it is larger than the sum of its proper divisors (1).

492891967 is an equidigital number, since it uses as much as digits as its factorization.

492891967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 492891967 is about 22201.1703970759. The cubic root of 492891967 is about 789.9214615081.

The spelling of 492891967 in words is "four hundred ninety-two million, eight hundred ninety-one thousand, nine hundred sixty-seven".