3443868871357 has 4 divisors (see below), whose sum is σ = 3491045157340. Its totient is φ = 3396692585376.

The previous prime is 3443868871349. The next prime is 3443868871367. The reversal of 3443868871357 is 7531788683443.

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 2593095075481 + 850773795876 = 1610309^2 + 922374^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443868871357 - 2³ = 3443868871349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3443868871292 and 3443868871301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443868871307) 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, 23588142882 + ... + 23588143027.

It is an arithmetic number, because the mean of its divisors is an integer number (872761289335).

Almost surely, 2^{3443868871357} is an apocalyptic number.

It is an amenable number.

3443868871357 is a deficient number, since it is larger than the sum of its proper divisors (47176285983).

3443868871357 is an equidigital number, since it uses as much as digits as its factorization.

3443868871357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47176285982.

The product of its digits is 325140480, while the sum is 67.

The spelling of 3443868871357 in words is "three trillion, four hundred forty-three billion, eight hundred sixty-eight million, eight hundred seventy-one thousand, three hundred fifty-seven".