2680654338 has 20 divisors (see below), whose sum is σ = 6006651750. Its totient is φ = 893551392.

The previous prime is 2680654297. The next prime is 2680654343. The reversal of 2680654338 is 8334560862.

It is a happy number.

2680654338 is a `hidden beast` number, since 26 + 80 + 6 + 543 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1979093169 + 701561169 = 44487^2 + 26487^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2680654293 and 2680654302.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8273463 + ... + 8273786.

Almost surely, 2^2680654338 is an apocalyptic number.

2680654338 is an abundant number, since it is smaller than the sum of its proper divisors (3325997412).

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

2680654338 is a wasteful number, since it uses less digits than its factorization.

2680654338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16547263 (or 16547254 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 2680654338 is about 51775.0358570615. The cubic root of 2680654338 is about 1389.1429490560.

The spelling of 2680654338 in words is "two billion, six hundred eighty million, six hundred fifty-four thousand, three hundred thirty-eight".