21533341445314 has 16 divisors (see below), whose sum is σ = 34200133227000. Its totient is φ = 10133301493504.

The previous prime is 21533341445309. The next prime is 21533341445333. The reversal of 21533341445314 is 41354414333512.

It can be written as a sum of positive squares in 4 ways, for example, as 14045757486289 + 7487583959025 = 3747767^2 + 2736345^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10420752 + ... + 12314980.

Almost surely, 2^{21533341445314} is an apocalyptic number.

21533341445314 is a deficient number, since it is larger than the sum of its proper divisors (12666791781686).

21533341445314 is a wasteful number, since it uses less digits than its factorization.

21533341445314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228597.

The product of its digits is 1036800, while the sum is 43.

Adding to 21533341445314 its reverse (41354414333512), we get a palindrome (62887755778826).

The spelling of 21533341445314 in words is "twenty-one trillion, five hundred thirty-three billion, three hundred forty-one million, four hundred forty-five thousand, three hundred fourteen".