2097798648 has 64 divisors (see below), whose sum is σ = 5725365120. Its totient is φ = 635241600.

The previous prime is 2097798641. The next prime is 2097798673. The reversal of 2097798648 is 8468977902.

It is a junction number, because it is equal to n+sod(n) for n = 2097798591 and 2097798600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097798641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649678 + ... + 652898.

It is an arithmetic number, because the mean of its divisors is an integer number (89458830).

Almost surely, 2^2097798648 is an apocalyptic number.

It is an amenable number.

2097798648 is an abundant number, since it is smaller than the sum of its proper divisors (3627566472).

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

2097798648 is a wasteful number, since it uses less digits than its factorization.

2097798648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The square root of 2097798648 is about 45801.7319323189. The cubic root of 2097798648 is about 1280.1315473526.

It can be divided in two parts, 2097 and 798648, that added together give a triangular number (800745 = T₁₂₆₅).

The spelling of 2097798648 in words is "two billion, ninety-seven million, seven hundred ninety-eight thousand, six hundred forty-eight".