504957319697 has 2 divisors, whose sum is σ = 504957319698. Its totient is φ = 504957319696.

The previous prime is 504957319693. The next prime is 504957319793. The reversal of 504957319697 is 796913759405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496516120321 + 8441199376 = 704639^2 + 91876^2 .

It is a cyclic number.

It is not a de Polignac number, because 504957319697 - 2² = 504957319693 is a prime.

It is not a weakly prime, because it can be changed into another prime (504957319693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252478659848 + 252478659849.

It is an arithmetic number, because the mean of its divisors is an integer number (252478659849).

Almost surely, 2^504957319697 is an apocalyptic number.

It is an amenable number.

504957319697 is a deficient number, since it is larger than the sum of its proper divisors (1).

504957319697 is an equidigital number, since it uses as much as digits as its factorization.

504957319697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64297800, while the sum is 65.

The spelling of 504957319697 in words is "five hundred four billion, nine hundred fifty-seven million, three hundred nineteen thousand, six hundred ninety-seven".