3856159127643 has 16 divisors (see below), whose sum is σ = 5224307494656. Its totient is φ = 2529704066400.

The previous prime is 3856159127627. The next prime is 3856159127693. The reversal of 3856159127643 is 3467219516583.

It is a happy number.

It is not a de Polignac number, because 3856159127643 - 2⁴ = 3856159127627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3856159127693) 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, 38989255 + ... + 39088032.

It is an arithmetic number, because the mean of its divisors is an integer number (326519218416).

Almost surely, 2^{3856159127643} is an apocalyptic number.

3856159127643 is a deficient number, since it is larger than the sum of its proper divisors (1368148367013).

3856159127643 is a wasteful number, since it uses less digits than its factorization.

3856159127643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78077554.

The product of its digits is 32659200, while the sum is 60.

The spelling of 3856159127643 in words is "three trillion, eight hundred fifty-six billion, one hundred fifty-nine million, one hundred twenty-seven thousand, six hundred forty-three".