21622040043641 has 8 divisors (see below), whose sum is σ = 21767329584000. Its totient is φ = 21476752839280.

The previous prime is 21622040043629. The next prime is 21622040043649. The reversal of 21622040043641 is 14634004022612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21622040043641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21622040043649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20551040 + ... + 21577518.

It is an arithmetic number, because the mean of its divisors is an integer number (2720916198000).

Almost surely, 2^{21622040043641} is an apocalyptic number.

It is an amenable number.

21622040043641 is a deficient number, since it is larger than the sum of its proper divisors (145289540359).

21622040043641 is a wasteful number, since it uses less digits than its factorization.

21622040043641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167999.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 21622040043641 in words is "twenty-one trillion, six hundred twenty-two billion, forty million, forty-three thousand, six hundred forty-one".