2688720983 has 8 divisors (see below), whose sum is σ = 2921171568. Its totient is φ = 2459931264.

The previous prime is 2688720971. The next prime is 2688721031. The reversal of 2688720983 is 3890278862.

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 2688720983 - 2³⁰ = 1614979159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688420983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913685 + ... + 916622.

It is an arithmetic number, because the mean of its divisors is an integer number (365146446).

Almost surely, 2^2688720983 is an apocalyptic number.

2688720983 is a deficient number, since it is larger than the sum of its proper divisors (232450585).

2688720983 is a wasteful number, since it uses less digits than its factorization.

2688720983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830433.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 2688720983 is about 51852.8782518386. The cubic root of 2688720983 is about 1390.5349601412.

The spelling of 2688720983 in words is "two billion, six hundred eighty-eight million, seven hundred twenty thousand, nine hundred eighty-three".