2680808641 has 16 divisors (see below), whose sum is σ = 3139513344. Its totient is φ = 2241190224.

The previous prime is 2680808621. The next prime is 2680808651. The reversal of 2680808641 is 1468080862.

It is not a de Polignac number, because 2680808641 - 2⁵ = 2680808609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680808621) 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 15 ways as a sum of consecutive naturals, for example, 217650 + ... + 229636.

It is an arithmetic number, because the mean of its divisors is an integer number (196219584).

Almost surely, 2^2680808641 is an apocalyptic number.

It is an amenable number.

2680808641 is a deficient number, since it is larger than the sum of its proper divisors (458704703).

2680808641 is a wasteful number, since it uses less digits than its factorization.

2680808641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 2680808641 is about 51776.5259649583. The cubic root of 2680808641 is about 1389.1696023509.

The spelling of 2680808641 in words is "two billion, six hundred eighty million, eight hundred eight thousand, six hundred forty-one".