492937993 has 2 divisors, whose sum is σ = 492937994. Its totient is φ = 492937992.

The previous prime is 492937943. The next prime is 492938029. The reversal of 492937993 is 399739294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364160889 + 128777104 = 19083^2 + 11348^2 .

It is a cyclic number.

It is not a de Polignac number, because 492937993 - 2²¹ = 490840841 is a prime.

It is a super-3 number, since 3×492937993³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (492937903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246468996 + 246468997.

It is an arithmetic number, because the mean of its divisors is an integer number (246468997).

Almost surely, 2^492937993 is an apocalyptic number.

It is an amenable number.

492937993 is a deficient number, since it is larger than the sum of its proper divisors (1).

492937993 is an equidigital number, since it uses as much as digits as its factorization.

492937993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 55.

The square root of 492937993 is about 22202.2069398517. The cubic root of 492937993 is about 789.9460482303.

The spelling of 492937993 in words is "four hundred ninety-two million, nine hundred thirty-seven thousand, nine hundred ninety-three".