21641311425622 has 8 divisors (see below), whose sum is σ = 37099391015376. Its totient is φ = 9274847753832.

The previous prime is 21641311425577. The next prime is 21641311425631. The reversal of 21641311425622 is 22652411314612.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772903979473 + ... + 772903979500.

It is an arithmetic number, because the mean of its divisors is an integer number (4637423876922).

Almost surely, 2^{21641311425622} is an apocalyptic number.

21641311425622 is a deficient number, since it is larger than the sum of its proper divisors (15458079589754).

21641311425622 is a wasteful number, since it uses less digits than its factorization.

21641311425622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545807958982.

The product of its digits is 138240, while the sum is 40.

The spelling of 21641311425622 in words is "twenty-one trillion, six hundred forty-one billion, three hundred eleven million, four hundred twenty-five thousand, six hundred twenty-two".