2179379398 has 32 divisors (see below), whose sum is σ = 3972105216. Its totient is φ = 876546528.

The previous prime is 2179379387. The next prime is 2179379407. The reversal of 2179379398 is 8939739712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46786 + ... + 80917.

It is an arithmetic number, because the mean of its divisors is an integer number (124128288).

Almost surely, 2^2179379398 is an apocalyptic number.

2179379398 is a deficient number, since it is larger than the sum of its proper divisors (1792725818).

2179379398 is a wasteful number, since it uses less digits than its factorization.

2179379398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127788.

The product of its digits is 5143824, while the sum is 58.

The square root of 2179379398 is about 46683.8237294247. The cubic root of 2179379398 is about 1296.5152030494.

The spelling of 2179379398 in words is "two billion, one hundred seventy-nine million, three hundred seventy-nine thousand, three hundred ninety-eight".