2106979848 has 24 divisors (see below), whose sum is σ = 5706403950. Its totient is φ = 702326592.

The previous prime is 2106979843. The next prime is 2106979867. The reversal of 2106979848 is 8489796012.

It can be written as a sum of positive squares in only one way, i.e., 2050459524 + 56520324 = 45282^2 + 7518^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 2106979794 and 2106979803.

It is not an unprimeable number, because it can be changed into a prime (2106979841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14631733 + ... + 14631876.

Almost surely, 2^2106979848 is an apocalyptic number.

It is an amenable number.

2106979848 is an abundant number, since it is smaller than the sum of its proper divisors (3599424102).

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

2106979848 is a wasteful number, since it uses less digits than its factorization.

2106979848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29263621 (or 29263614 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 2106979848 is about 45901.8501587899. The cubic root of 2106979848 is about 1281.9963655229.

The spelling of 2106979848 in words is "two billion, one hundred six million, nine hundred seventy-nine thousand, eight hundred forty-eight".