492937009 has 2 divisors, whose sum is σ = 492937010. Its totient is φ = 492937008.

The previous prime is 492936991. The next prime is 492937013. The reversal of 492937009 is 900739294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364046400 + 128890609 = 19080^2 + 11353^2 .

It is a cyclic number.

It is not a de Polignac number, because 492937009 - 2⁷ = 492936881 is a prime.

It is not a weakly prime, because it can be changed into another prime (492937409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246468504 + 246468505.

It is an arithmetic number, because the mean of its divisors is an integer number (246468505).

Almost surely, 2^492937009 is an apocalyptic number.

It is an amenable number.

492937009 is a deficient number, since it is larger than the sum of its proper divisors (1).

492937009 is an equidigital number, since it uses as much as digits as its factorization.

492937009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 492937009 is about 22202.1847798815. The cubic root of 492937009 is about 789.9455226013.

The spelling of 492937009 in words is "four hundred ninety-two million, nine hundred thirty-seven thousand, nine".