2181748314 has 32 divisors (see below), whose sum is σ = 4428423360. Its totient is φ = 716487552.

The previous prime is 2181748307. The next prime is 2181748333. The reversal of 2181748314 is 4138471812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143904 + ... + 158340.

It is an arithmetic number, because the mean of its divisors is an integer number (138388230).

Almost surely, 2^2181748314 is an apocalyptic number.

2181748314 is an abundant number, since it is smaller than the sum of its proper divisors (2246675046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2181748314 is a wasteful number, since it uses less digits than its factorization.

2181748314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14814.

The product of its digits is 43008, while the sum is 39.

The square root of 2181748314 is about 46709.1887533920. The cubic root of 2181748314 is about 1296.9847898606.

The spelling of 2181748314 in words is "two billion, one hundred eighty-one million, seven hundred forty-eight thousand, three hundred fourteen".