2688474822321 has 16 divisors (see below), whose sum is σ = 3775743549440. Its totient is φ = 1696883599440.

The previous prime is 2688474822307. The next prime is 2688474822347. The reversal of 2688474822321 is 1232284748862.

It is not a de Polignac number, because 2688474822321 - 2⁷ = 2688474822193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2688474822221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15195985 + ... + 15371886.

It is an arithmetic number, because the mean of its divisors is an integer number (235983971840).

Almost surely, 2^{2688474822321} is an apocalyptic number.

It is an amenable number.

2688474822321 is a deficient number, since it is larger than the sum of its proper divisors (1087268727119).

2688474822321 is a wasteful number, since it uses less digits than its factorization.

2688474822321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30569436.

The product of its digits is 16515072, while the sum is 57.

The spelling of 2688474822321 in words is "two trillion, six hundred eighty-eight billion, four hundred seventy-four million, eight hundred twenty-two thousand, three hundred twenty-one".