497075628869009 has 2 divisors, whose sum is σ = 497075628869010. Its totient is φ = 497075628869008.

The previous prime is 497075628868909. The next prime is 497075628869021. The reversal of 497075628869009 is 900968826570794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441844393809025 + 55231235059984 = 21020095^2 + 7431772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497075628869009 is a prime.

It is not a weakly prime, because it can be changed into another prime (497075628869609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248537814434504 + 248537814434505.

It is an arithmetic number, because the mean of its divisors is an integer number (248537814434505).

Almost surely, 2^{497075628869009} is an apocalyptic number.

It is an amenable number.

497075628869009 is a deficient number, since it is larger than the sum of its proper divisors (1).

497075628869009 is an equidigital number, since it uses as much as digits as its factorization.

497075628869009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292047360, while the sum is 80.

The spelling of 497075628869009 in words is "four hundred ninety-seven trillion, seventy-five billion, six hundred twenty-eight million, eight hundred sixty-nine thousand, nine".