2643578688322 has 64 divisors (see below), whose sum is σ = 4905663235200. Its totient is φ = 1050416916480.

The previous prime is 2643578688217. The next prime is 2643578688409. The reversal of 2643578688322 is 2238868753462.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14455954 + ... + 14637682.

It is an arithmetic number, because the mean of its divisors is an integer number (76650988050).

Almost surely, 2^{2643578688322} is an apocalyptic number.

2643578688322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2643578688322 is a deficient number, since it is larger than the sum of its proper divisors (2262084546878).

2643578688322 is a wasteful number, since it uses less digits than its factorization.

2643578688322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184451.

The product of its digits is 185794560, while the sum is 64.

The spelling of 2643578688322 in words is "two trillion, six hundred forty-three billion, five hundred seventy-eight million, six hundred eighty-eight thousand, three hundred twenty-two".