3856907055389 has 8 divisors (see below), whose sum is σ = 3881765831808. Its totient is φ = 3832051981680.

The previous prime is 3856907055373. The next prime is 3856907055413. The reversal of 3856907055389 is 9835507096583.

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

It is a cyclic number.

It is not a de Polignac number, because 3856907055389 - 2⁴ = 3856907055373 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 (3856907055359) 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, 1179704 + ... + 3017534.

It is an arithmetic number, because the mean of its divisors is an integer number (485220728976).

Almost surely, 2^{3856907055389} is an apocalyptic number.

It is an amenable number.

3856907055389 is a deficient number, since it is larger than the sum of its proper divisors (24858776419).

3856907055389 is a wasteful number, since it uses less digits than its factorization.

3856907055389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851355.

The product of its (nonzero) digits is 244944000, while the sum is 68.

The spelling of 3856907055389 in words is "three trillion, eight hundred fifty-six billion, nine hundred seven million, fifty-five thousand, three hundred eighty-nine".