2180900841 has 16 divisors (see below), whose sum is σ = 3331661184. Its totient is φ = 1243085184.

The previous prime is 2180900837. The next prime is 2180900849. The reversal of 2180900841 is 1480090812.

It is not a de Polignac number, because 2180900841 - 2² = 2180900837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2180900849) 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, 122460 + ... + 139133.

It is an arithmetic number, because the mean of its divisors is an integer number (208228824).

Almost surely, 2^2180900841 is an apocalyptic number.

2180900841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2180900841 is a deficient number, since it is larger than the sum of its proper divisors (1150760343).

2180900841 is a wasteful number, since it uses less digits than its factorization.

2180900841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262000.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 2180900841 is about 46700.1160705196. The cubic root of 2180900841 is about 1296.8168355748.

The spelling of 2180900841 in words is "two billion, one hundred eighty million, nine hundred thousand, eight hundred forty-one".