2538858843 has 12 divisors (see below), whose sum is σ = 3761660280. Its totient is φ = 1692398016.

The previous prime is 2538858821. The next prime is 2538858877. The reversal of 2538858843 is 3488588352.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2538858843 is a `hidden beast` number, since 2 + 53 + 8 + 8 + 588 + 4 + 3 = 666.

It is not a de Polignac number, because 2538858843 - 2⁶ = 2538858779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2538858843.

It is not an unprimeable number, because it can be changed into a prime (2538858943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256971 + ... + 266667.

It is an arithmetic number, because the mean of its divisors is an integer number (313471690).

Almost surely, 2^2538858843 is an apocalyptic number.

2538858843 is a deficient number, since it is larger than the sum of its proper divisors (1222801437).

2538858843 is an frugal number, since it uses more digits than its factorization.

2538858843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19403 (or 9700 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The square root of 2538858843 is about 50387.0900429862. The cubic root of 2538858843 is about 1364.2046278070.

The spelling of 2538858843 in words is "two billion, five hundred thirty-eight million, eight hundred fifty-eight thousand, eight hundred forty-three".