395697796579 has 2 divisors, whose sum is σ = 395697796580. Its totient is φ = 395697796578.

The previous prime is 395697796573. The next prime is 395697796597. The reversal of 395697796579 is 975697796593.

Together with next prime (395697796597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395697796579 - 2⁵ = 395697796547 is a prime.

It is not a weakly prime, because it can be changed into another prime (395697796573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197848898289 + 197848898290.

It is an arithmetic number, because the mean of its divisors is an integer number (197848898290).

Almost surely, 2^395697796579 is an apocalyptic number.

395697796579 is a deficient number, since it is larger than the sum of its proper divisors (1).

395697796579 is an equidigital number, since it uses as much as digits as its factorization.

395697796579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6076142100, while the sum is 82.

The spelling of 395697796579 in words is "three hundred ninety-five billion, six hundred ninety-seven million, seven hundred ninety-six thousand, five hundred seventy-nine".