395968144867 has 4 divisors (see below), whose sum is σ = 398019793480. Its totient is φ = 393916496256.

The previous prime is 395968144841. The next prime is 395968144907. The reversal of 395968144867 is 768441869593.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 395968144867 - 2¹⁹ = 395967620579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 395968144796 and 395968144805.

It is not an unprimeable number, because it can be changed into a prime (395968144267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025824017 + ... + 1025824402.

It is an arithmetic number, because the mean of its divisors is an integer number (99504948370).

Almost surely, 2^395968144867 is an apocalyptic number.

395968144867 is a deficient number, since it is larger than the sum of its proper divisors (2051648613).

395968144867 is a wasteful number, since it uses less digits than its factorization.

395968144867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051648612.

The product of its digits is 313528320, while the sum is 70.

The spelling of 395968144867 in words is "three hundred ninety-five billion, nine hundred sixty-eight million, one hundred forty-four thousand, eight hundred sixty-seven".