2688746983 has 4 divisors (see below), whose sum is σ = 2895573688. Its totient is φ = 2481920280.

The previous prime is 2688746953. The next prime is 2688746987. The reversal of 2688746983 is 3896478862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2688746983 - 2¹³ = 2688738791 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 (2688746987) 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 3 ways as a sum of consecutive naturals, for example, 103413333 + ... + 103413358.

It is an arithmetic number, because the mean of its divisors is an integer number (723893422).

Almost surely, 2^2688746983 is an apocalyptic number.

2688746983 is a deficient number, since it is larger than the sum of its proper divisors (206826705).

2688746983 is a wasteful number, since it uses less digits than its factorization.

2688746983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206826704.

The product of its digits is 27869184, while the sum is 61.

The square root of 2688746983 is about 51853.1289605555. The cubic root of 2688746983 is about 1390.5394422962.

The spelling of 2688746983 in words is "two billion, six hundred eighty-eight million, seven hundred forty-six thousand, nine hundred eighty-three".