3857343543 has 12 divisors (see below), whose sum is σ = 5584651488. Its totient is φ = 2565593280.

The previous prime is 3857343541. The next prime is 3857343587. The reversal of 3857343543 is 3453437583.

3857343543 is a `hidden beast` number, since 3 + 8 + 573 + 4 + 35 + 43 = 666.

It is not a de Polignac number, because 3857343543 - 2¹ = 3857343541 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857343541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493330 + ... + 501087.

It is an arithmetic number, because the mean of its divisors is an integer number (465387624).

Almost surely, 2^3857343543 is an apocalyptic number.

3857343543 is a deficient number, since it is larger than the sum of its proper divisors (1727307945).

3857343543 is a wasteful number, since it uses less digits than its factorization.

3857343543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994854 (or 994851 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The square root of 3857343543 is about 62107.5159944431. The cubic root of 3857343543 is about 1568.3010741748.

The spelling of 3857343543 in words is "three billion, eight hundred fifty-seven million, three hundred forty-three thousand, five hundred forty-three".