3857142671543 has 8 divisors (see below), whose sum is σ = 4408179737088. Its totient is φ = 3306109776984.

The previous prime is 3857142671531. The next prime is 3857142671573. The reversal of 3857142671543 is 3451762417583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3857142671543 - 2²⁶ = 3857075562679 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 (3857142671573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285430 + ... + 3060492.

It is an arithmetic number, because the mean of its divisors is an integer number (551022467136).

Almost surely, 2^{3857142671543} is an apocalyptic number.

3857142671543 is a deficient number, since it is larger than the sum of its proper divisors (551037065545).

3857142671543 is a wasteful number, since it uses less digits than its factorization.

3857142671543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085493.

The product of its digits is 16934400, while the sum is 56.

The spelling of 3857142671543 in words is "three trillion, eight hundred fifty-seven billion, one hundred forty-two million, six hundred seventy-one thousand, five hundred forty-three".