2181010834 has 16 divisors (see below), whose sum is σ = 3422790720. Its totient is φ = 1040331600.

The previous prime is 2181010831. The next prime is 2181010841. The reversal of 2181010834 is 4380101812.

It is not an unprimeable number, because it can be changed into a prime (2181010831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45117 + ... + 79984.

It is an arithmetic number, because the mean of its divisors is an integer number (213924420).

Almost surely, 2^2181010834 is an apocalyptic number.

2181010834 is a deficient number, since it is larger than the sum of its proper divisors (1241779886).

2181010834 is a wasteful number, since it uses less digits than its factorization.

2181010834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125505.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 2181010834 is about 46701.2937079906. The cubic root of 2181010834 is about 1296.8386367152.

The spelling of 2181010834 in words is "two billion, one hundred eighty-one million, ten thousand, eight hundred thirty-four".