2187458841 has 16 divisors (see below), whose sum is σ = 2976023808. Its totient is φ = 1428787200.

The previous prime is 2187458839. The next prime is 2187458843. The reversal of 2187458841 is 1488547812.

It is an interprime number because it is at equal distance from previous prime (2187458839) and next prime (2187458843).

It is not a de Polignac number, because 2187458841 - 2¹ = 2187458839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2187458843) 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, 23776 + ... + 70286.

It is an arithmetic number, because the mean of its divisors is an integer number (186001488).

Almost surely, 2^2187458841 is an apocalyptic number.

It is an amenable number.

2187458841 is a deficient number, since it is larger than the sum of its proper divisors (788564967).

2187458841 is a wasteful number, since it uses less digits than its factorization.

2187458841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46832.

The product of its digits is 573440, while the sum is 48.

The square root of 2187458841 is about 46770.2773243863. The cubic root of 2187458841 is about 1298.1153837788.

The spelling of 2187458841 in words is "two billion, one hundred eighty-seven million, four hundred fifty-eight thousand, eight hundred forty-one".