2181347014 has 48 divisors (see below), whose sum is σ = 4160282256. Its totient is φ = 848232000.

The previous prime is 2181346967. The next prime is 2181347029. The reversal of 2181347014 is 4107431812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659164 + ... + 662464.

It is an arithmetic number, because the mean of its divisors is an integer number (86672547).

Almost surely, 2^2181347014 is an apocalyptic number.

2181347014 is a deficient number, since it is larger than the sum of its proper divisors (1978935242).

2181347014 is a wasteful number, since it uses less digits than its factorization.

2181347014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2181347014 is about 46704.8928271975. The cubic root of 2181347014 is about 1296.9052646609.

Adding to 2181347014 its reverse (4107431812), we get a palindrome (6288778826).

The spelling of 2181347014 in words is "two billion, one hundred eighty-one million, three hundred forty-seven thousand, fourteen".