2079891648 has 56 divisors (see below), whose sum is σ = 6114501360. Its totient is φ = 693296640.

The previous prime is 2079891643. The next prime is 2079891661. The reversal of 2079891648 is 8461989702.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2079891594 and 2079891603.

It is not an unprimeable number, because it can be changed into a prime (2079891643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600093 + ... + 603548.

Almost surely, 2^2079891648 is an apocalyptic number.

It is an amenable number.

2079891648 is an abundant number, since it is smaller than the sum of its proper divisors (4034609712).

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

2079891648 is a wasteful number, since it uses less digits than its factorization.

2079891648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203662 (or 1203646 counting only the distinct ones).

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

The square root of 2079891648 is about 45605.8291011138. The cubic root of 2079891648 is about 1276.4786940952.

The spelling of 2079891648 in words is "two billion, seventy-nine million, eight hundred ninety-one thousand, six hundred forty-eight".