395630936065 has 8 divisors (see below), whose sum is σ = 474773504040. Its totient is φ = 316493828352.

The previous prime is 395630936021. The next prime is 395630936069. The reversal of 395630936065 is 560639036593.

It is a Cunningham number, because it is equal to 628992²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1559618064 + 394071318001 = 39492^2 + 627751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395630936065 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 395630935997 and 395630936015.

It is not an unprimeable number, because it can be changed into a prime (395630936069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203930 + ... + 1496899.

It is an arithmetic number, because the mean of its divisors is an integer number (59346688005).

Almost surely, 2^395630936065 is an apocalyptic number.

It is an amenable number.

395630936065 is a deficient number, since it is larger than the sum of its proper divisors (79142567975).

395630936065 is a wasteful number, since it uses less digits than its factorization.

395630936065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730131.

The product of its (nonzero) digits is 11809800, while the sum is 55.

The spelling of 395630936065 in words is "three hundred ninety-five billion, six hundred thirty million, nine hundred thirty-six thousand, sixty-five".