3843552891071 has 4 divisors (see below), whose sum is σ = 3843630853944. Its totient is φ = 3843474928200.

The previous prime is 3843552891041. The next prime is 3843552891077. The reversal of 3843552891071 is 1701982553483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3843552891071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3843552890998 and 3843552891016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843552891077) 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, 38907440 + ... + 39006101.

It is an arithmetic number, because the mean of its divisors is an integer number (960907713486).

Almost surely, 2^{3843552891071} is an apocalyptic number.

3843552891071 is a deficient number, since it is larger than the sum of its proper divisors (77962873).

3843552891071 is an equidigital number, since it uses as much as digits as its factorization.

3843552891071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77962872.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 3843552891071 in words is "three trillion, eight hundred forty-three billion, five hundred fifty-two million, eight hundred ninety-one thousand, seventy-one".