395016052589 has 2 divisors, whose sum is σ = 395016052590. Its totient is φ = 395016052588.

The previous prime is 395016052577. The next prime is 395016052591. The reversal of 395016052589 is 985250610593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231543816100 + 163472236489 = 481190^2 + 404317^2 .

It is a cyclic number.

It is not a de Polignac number, because 395016052589 - 2²⁴ = 394999275373 is a prime.

It is a super-2 number, since 2×395016052589² (a number of 24 digits) contains 22 as substring.

Together with 395016052591, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395016052589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395016052549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197508026294 + 197508026295.

It is an arithmetic number, because the mean of its divisors is an integer number (197508026295).

Almost surely, 2^395016052589 is an apocalyptic number.

It is an amenable number.

395016052589 is a deficient number, since it is larger than the sum of its proper divisors (1).

395016052589 is an equidigital number, since it uses as much as digits as its factorization.

395016052589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 395016052589 in words is "three hundred ninety-five billion, sixteen million, fifty-two thousand, five hundred eighty-nine".