395285816943 has 12 divisors (see below), whose sum is σ = 604554779088. Its totient is φ = 248022473280.

The previous prime is 395285816929. The next prime is 395285816963. The reversal of 395285816943 is 349618582593.

395285816943 is a `hidden beast` number, since 3 + 9 + 5 + 2 + 8 + 581 + 6 + 9 + 43 = 666.

It is not a de Polignac number, because 395285816943 - 2¹⁰ = 395285815919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395285816903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1291783563 + ... + 1291783868.

It is an arithmetic number, because the mean of its divisors is an integer number (50379564924).

Almost surely, 2^395285816943 is an apocalyptic number.

395285816943 is a deficient number, since it is larger than the sum of its proper divisors (209268962145).

395285816943 is a wasteful number, since it uses less digits than its factorization.

395285816943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583567454 (or 2583567451 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 395285816943 in words is "three hundred ninety-five billion, two hundred eighty-five million, eight hundred sixteen thousand, nine hundred forty-three".