2181716703 has 24 divisors (see below), whose sum is σ = 3171102480. Its totient is φ = 1445397120.

The previous prime is 2181716689. The next prime is 2181716707. The reversal of 2181716703 is 3076171812.

It is not a de Polignac number, because 2181716703 - 2⁶ = 2181716639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2181716707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2136333 + ... + 2137353.

It is an arithmetic number, because the mean of its divisors is an integer number (132129270).

Almost surely, 2^2181716703 is an apocalyptic number.

2181716703 is a deficient number, since it is larger than the sum of its proper divisors (989385777).

2181716703 is a wasteful number, since it uses less digits than its factorization.

2181716703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 2181716703 is about 46708.8503712091. The cubic root of 2181716703 is about 1296.9785258958.

The spelling of 2181716703 in words is "two billion, one hundred eighty-one million, seven hundred sixteen thousand, seven hundred three".