21466800735474 has 8 divisors (see below), whose sum is σ = 42933601470960. Its totient is φ = 7155600245156.

The previous prime is 21466800735461. The next prime is 21466800735491. The reversal of 21466800735474 is 47453700866412.

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

21466800735474 is an admirable 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, 1788900061284 + ... + 1788900061295.

It is an arithmetic number, because the mean of its divisors is an integer number (5366700183870).

Almost surely, 2^{21466800735474} is an apocalyptic number.

21466800735474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21466800735474 is a wasteful number, since it uses less digits than its factorization.

21466800735474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577800122584.

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 21466800735474 in words is "twenty-one trillion, four hundred sixty-six billion, eight hundred million, seven hundred thirty-five thousand, four hundred seventy-four".