395864365445 has 4 divisors (see below), whose sum is σ = 475037238540. Its totient is φ = 316691492352.

The previous prime is 395864365361. The next prime is 395864365447. The reversal of 395864365445 is 544563468593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544563468593 = 31 ⋅17566563503.

It can be written as a sum of positive squares in 2 ways, for example, as 304622309476 + 91242055969 = 551926^2 + 302063^2 .

It is a cyclic number.

It is not a de Polignac number, because 395864365445 - 2¹² = 395864361349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395864365447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39586436540 + ... + 39586436549.

It is an arithmetic number, because the mean of its divisors is an integer number (118759309635).

Almost surely, 2^395864365445 is an apocalyptic number.

It is an amenable number.

395864365445 is a deficient number, since it is larger than the sum of its proper divisors (79172873095).

395864365445 is an equidigital number, since it uses as much as digits as its factorization.

395864365445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79172873094.

The product of its digits is 186624000, while the sum is 62.

The spelling of 395864365445 in words is "three hundred ninety-five billion, eight hundred sixty-four million, three hundred sixty-five thousand, four hundred forty-five".