2179219370 has 16 divisors (see below), whose sum is σ = 3929403528. Its totient is φ = 870174720.

The previous prime is 2179219313. The next prime is 2179219397. The reversal of 2179219370 is 739129712.

2179219370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2092971001 + 86248369 = 45749^2 + 9287^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183071 + ... + 194610.

Almost surely, 2^2179219370 is an apocalyptic number.

2179219370 is a deficient number, since it is larger than the sum of its proper divisors (1750184158).

2179219370 is a wasteful number, since it uses less digits than its factorization.

2179219370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378265.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 2179219370 is about 46682.1097423842. The cubic root of 2179219370 is about 1296.4834686615.

It can be divided in two parts, 21792 and 19370, that multiplied together give a triangular number (422111040 = T₂₉₀₅₅).

The spelling of 2179219370 in words is "two billion, one hundred seventy-nine million, two hundred nineteen thousand, three hundred seventy".