21633341214 has 32 divisors (see below), whose sum is σ = 45739399680. Its totient is φ = 6802252992.

The previous prime is 21633341209. The next prime is 21633341251. The reversal of 21633341214 is 41214333612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380662 + ... + 433785.

It is an arithmetic number, because the mean of its divisors is an integer number (1429356240).

Almost surely, 2^21633341214 is an apocalyptic number.

21633341214 is an abundant number, since it is smaller than the sum of its proper divisors (24106058466).

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

21633341214 is a wasteful number, since it uses less digits than its factorization.

21633341214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814704.

The product of its digits is 10368, while the sum is 30.

Adding to 21633341214 its reverse (41214333612), we get a palindrome (62847674826).

The spelling of 21633341214 in words is "twenty-one billion, six hundred thirty-three million, three hundred forty-one thousand, two hundred fourteen".