3163444443613 has 4 divisors (see below), whose sum is σ = 3163578460380. Its totient is φ = 3163310426848.

The previous prime is 3163444443581. The next prime is 3163444443703.

It is a happy number.

3163444443613 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 344208676249 + 2819235767364 = 586693^2 + 1679058^2 .

It is a cyclic number.

It is not a de Polignac number, because 3163444443613 - 2⁵ = 3163444443581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163444443713) 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, 66972970 + ... + 67020187.

It is an arithmetic number, because the mean of its divisors is an integer number (790894615095).

Almost surely, 2^{3163444443613} is an apocalyptic number.

It is an amenable number.

3163444443613 is a deficient number, since it is larger than the sum of its proper divisors (134016767).

3163444443613 is a wasteful number, since it uses less digits than its factorization.

3163444443613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134016766.

The product of its digits is 2985984, while the sum is 46.

The spelling of 3163444443613 in words is "three trillion, one hundred sixty-three billion, four hundred forty-four million, four hundred forty-three thousand, six hundred thirteen".