21533341445414 has 32 divisors (see below), whose sum is σ = 33432482184192. Its totient is φ = 10391101236000.

The previous prime is 21533341445389. The next prime is 21533341445417. The reversal of 21533341445414 is 41454414333512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21533341445417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37390829 + ... + 37962359.

It is an arithmetic number, because the mean of its divisors is an integer number (1044765068256).

Almost surely, 2^{21533341445414} is an apocalyptic number.

21533341445414 is a deficient number, since it is larger than the sum of its proper divisors (11899140738778).

21533341445414 is a wasteful number, since it uses less digits than its factorization.

21533341445414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573212.

The product of its digits is 1382400, while the sum is 44.

Adding to 21533341445414 its reverse (41454414333512), we get a palindrome (62987755778926).

The spelling of 21533341445414 in words is "twenty-one trillion, five hundred thirty-three billion, three hundred forty-one million, four hundred forty-five thousand, four hundred fourteen".