21375064560622 has 8 divisors (see below), whose sum is σ = 32063170610016. Its totient is φ = 10687341023952.

The previous prime is 21375064560599. The next prime is 21375064560653. The reversal of 21375064560622 is 22606546057312.

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, 95488438 + ... + 95712025.

It is an arithmetic number, because the mean of its divisors is an integer number (4007896326252).

Almost surely, 2^{21375064560622} is an apocalyptic number.

21375064560622 is a deficient number, since it is larger than the sum of its proper divisors (10688106049394).

21375064560622 is a wasteful number, since it uses less digits than its factorization.

21375064560622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191256362.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 21375064560622 in words is "twenty-one trillion, three hundred seventy-five billion, sixty-four million, five hundred sixty thousand, six hundred twenty-two".