2688097561 has 8 divisors (see below), whose sum is σ = 2952601920. Its totient is φ = 2435895792.

The previous prime is 2688097543. The next prime is 2688097567. The reversal of 2688097561 is 1657908862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2688097561 - 2¹¹ = 2688095513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2688097499 and 2688097508.

It is not an unprimeable number, because it can be changed into a prime (2688097567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075190 + ... + 3076063.

It is an arithmetic number, because the mean of its divisors is an integer number (369075240).

Almost surely, 2^2688097561 is an apocalyptic number.

It is an amenable number.

2688097561 is a deficient number, since it is larger than the sum of its proper divisors (264504359).

2688097561 is a wasteful number, since it uses less digits than its factorization.

2688097561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151295.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2688097561 is about 51846.8664530461. The cubic root of 2688097561 is about 1390.4274794096.

The spelling of 2688097561 in words is "two billion, six hundred eighty-eight million, ninety-seven thousand, five hundred sixty-one".