497046793889 has 2 divisors, whose sum is σ = 497046793890. Its totient is φ = 497046793888.

The previous prime is 497046793801. The next prime is 497046793891. The reversal of 497046793889 is 988397640794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495463947664 + 1582846225 = 703892^2 + 39785^2 .

It is a cyclic number.

It is not a de Polignac number, because 497046793889 - 2³⁶ = 428327317153 is a prime.

It is a Sophie Germain prime.

Together with 497046793891, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (497046793589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248523396944 + 248523396945.

It is an arithmetic number, because the mean of its divisors is an integer number (248523396945).

Almost surely, 2^497046793889 is an apocalyptic number.

It is an amenable number.

497046793889 is a deficient number, since it is larger than the sum of its proper divisors (1).

497046793889 is an equidigital number, since it uses as much as digits as its factorization.

497046793889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658409472, while the sum is 74.

The spelling of 497046793889 in words is "four hundred ninety-seven billion, forty-six million, seven hundred ninety-three thousand, eight hundred eighty-nine".