21833516722386 has 16 divisors (see below), whose sum is σ = 44193142282464. Its totient is φ = 7190154101184.

The previous prime is 21833516722321. The next prime is 21833516722399. The reversal of 21833516722386 is 68322761533812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21921201031 + ... + 21921202026.

It is an arithmetic number, because the mean of its divisors is an integer number (2762071392654).

Almost surely, 2^{21833516722386} is an apocalyptic number.

21833516722386 is an abundant number, since it is smaller than the sum of its proper divisors (22359625560078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21833516722386 is a wasteful number, since it uses less digits than its factorization.

21833516722386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43842403145.

The product of its digits is 17418240, while the sum is 57.

The spelling of 21833516722386 in words is "twenty-one trillion, eight hundred thirty-three billion, five hundred sixteen million, seven hundred twenty-two thousand, three hundred eighty-six".