3858230642555 has 4 divisors (see below), whose sum is σ = 4629876771072. Its totient is φ = 3086584514040.

The previous prime is 3858230642527. The next prime is 3858230642569. The reversal of 3858230642555 is 5552460328583.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3858230642555 - 2²⁴ = 3858213865339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3858230642555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385823064251 + ... + 385823064260.

It is an arithmetic number, because the mean of its divisors is an integer number (1157469192768).

Almost surely, 2^{3858230642555} is an apocalyptic number.

3858230642555 is a deficient number, since it is larger than the sum of its proper divisors (771646128517).

3858230642555 is an equidigital number, since it uses as much as digits as its factorization.

3858230642555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771646128516.

The product of its (nonzero) digits is 34560000, while the sum is 56.

The spelling of 3858230642555 in words is "three trillion, eight hundred fifty-eight billion, two hundred thirty million, six hundred forty-two thousand, five hundred fifty-five".