497075628869609 has 2 divisors, whose sum is σ = 497075628869610. Its totient is φ = 497075628869608.

The previous prime is 497075628869593. The next prime is 497075628869623. The reversal of 497075628869609 is 906968826570794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366136744090000 + 130938884779609 = 19134700^2 + 11442853^2 .

It is a cyclic number.

It is not a de Polignac number, because 497075628869609 - 2⁴ = 497075628869593 is a prime.

It is a super-2 number, since 2×497075628869609² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (497075628869009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248537814434804 + 248537814434805.

It is an arithmetic number, because the mean of its divisors is an integer number (248537814434805).

Almost surely, 2^{497075628869609} is an apocalyptic number.

It is an amenable number.

497075628869609 is a deficient number, since it is larger than the sum of its proper divisors (1).

497075628869609 is an equidigital number, since it uses as much as digits as its factorization.

497075628869609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19752284160, while the sum is 86.

The spelling of 497075628869609 in words is "four hundred ninety-seven trillion, seventy-five billion, six hundred twenty-eight million, eight hundred sixty-nine thousand, six hundred nine".