3871205472443 has 16 divisors (see below), whose sum is σ = 3938337177600. Its totient is φ = 3804541060320.

The previous prime is 3871205472397. The next prime is 3871205472457. The reversal of 3871205472443 is 3442745021783.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3871205472443 - 2¹⁴ = 3871205456059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3871205472391 and 3871205472400.

It is not an unprimeable number, because it can be changed into a prime (3871205472943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44156630 + ... + 44244212.

It is an arithmetic number, because the mean of its divisors is an integer number (246146073600).

Almost surely, 2^{3871205472443} is an apocalyptic number.

3871205472443 is a deficient number, since it is larger than the sum of its proper divisors (67131705157).

3871205472443 is a wasteful number, since it uses less digits than its factorization.

3871205472443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90242.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 3871205472443 in words is "three trillion, eight hundred seventy-one billion, two hundred five million, four hundred seventy-two thousand, four hundred forty-three".