21334317632798 has 8 divisors (see below), whose sum is σ = 32035484397240. Its totient is φ = 10655822833720.

The previous prime is 21334317632791. The next prime is 21334317632843. The reversal of 21334317632798 is 89723671343312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334317632791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667988988 + ... + 5667992751.

It is an arithmetic number, because the mean of its divisors is an integer number (4004435549655).

Almost surely, 2^{21334317632798} is an apocalyptic number.

21334317632798 is a deficient number, since it is larger than the sum of its proper divisors (10701166764442).

21334317632798 is a wasteful number, since it uses less digits than its factorization.

21334317632798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11335982682.

The product of its digits is 27433728, while the sum is 59.

The spelling of 21334317632798 in words is "twenty-one trillion, three hundred thirty-four billion, three hundred seventeen million, six hundred thirty-two thousand, seven hundred ninety-eight".