21470017406074 has 8 divisors (see below), whose sum is σ = 32208938784288. Its totient is φ = 10733704477980.

The previous prime is 21470017406059. The next prime is 21470017406093. The reversal of 21470017406074 is 47060471007412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21470017406074.

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, 652091952 + ... + 652124875.

It is an arithmetic number, because the mean of its divisors is an integer number (4026117348036).

Almost surely, 2^{21470017406074} is an apocalyptic number.

21470017406074 is a deficient number, since it is larger than the sum of its proper divisors (10738921378214).

21470017406074 is a wasteful number, since it uses less digits than its factorization.

21470017406074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304225060.

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 21470017406074 in words is "twenty-one trillion, four hundred seventy billion, seventeen million, four hundred six thousand, seventy-four".