2148520698 has 48 divisors (see below), whose sum is σ = 4739553000. Its totient is φ = 703296000.

The previous prime is 2148520687. The next prime is 2148520747. The reversal of 2148520698 is 8960258412.

2148520698 is a `hidden beast` number, since 21 + 48 + 520 + 69 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 723986649 + 1424534049 = 26907^2 + 37743^2 .

It is a super-2 number, since 2×2148520698² = 9232282379468814408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234198 + ... + 243198.

Almost surely, 2^2148520698 is an apocalyptic number.

2148520698 is an abundant number, since it is smaller than the sum of its proper divisors (2591032302).

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

2148520698 is a wasteful number, since it uses less digits than its factorization.

2148520698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2148520698 is about 46352.1380089419. The cubic root of 2148520698 is about 1290.3668003268.

The spelling of 2148520698 in words is "two billion, one hundred forty-eight million, five hundred twenty thousand, six hundred ninety-eight".