395824705697 has 2 divisors, whose sum is σ = 395824705698. Its totient is φ = 395824705696.

The previous prime is 395824705673. The next prime is 395824705721. The reversal of 395824705697 is 796507428593.

It is a balanced prime because it is at equal distance from previous prime (395824705673) and next prime (395824705721).

It can be written as a sum of positive squares in only one way, i.e., 324351891361 + 71472814336 = 569519^2 + 267344^2 .

It is a cyclic number.

It is not a de Polignac number, because 395824705697 - 2³² = 391529738401 is a prime.

It is not a weakly prime, because it can be changed into another prime (395824705657) 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, 197912352848 + 197912352849.

It is an arithmetic number, because the mean of its divisors is an integer number (197912352849).

Almost surely, 2^395824705697 is an apocalyptic number.

It is an amenable number.

395824705697 is a deficient number, since it is larger than the sum of its proper divisors (1).

395824705697 is an equidigital number, since it uses as much as digits as its factorization.

395824705697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114307200, while the sum is 65.

The spelling of 395824705697 in words is "three hundred ninety-five billion, eight hundred twenty-four million, seven hundred five thousand, six hundred ninety-seven".