395598812663 has 2 divisors, whose sum is σ = 395598812664. Its totient is φ = 395598812662.

The previous prime is 395598812633. The next prime is 395598812677. The reversal of 395598812663 is 366218895593.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395598812663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395598812663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395598812633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197799406331 + 197799406332.

It is an arithmetic number, because the mean of its divisors is an integer number (197799406332).

Almost surely, 2^395598812663 is an apocalyptic number.

395598812663 is a deficient number, since it is larger than the sum of its proper divisors (1).

395598812663 is an equidigital number, since it uses as much as digits as its factorization.

395598812663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83980800, while the sum is 65.

The spelling of 395598812663 in words is "three hundred ninety-five billion, five hundred ninety-eight million, eight hundred twelve thousand, six hundred sixty-three".