21445134024335 has 12 divisors (see below), whose sum is σ = 29935656475128. Its totient is φ = 14705234759376.

The previous prime is 21445134024329. The next prime is 21445134024371. The reversal of 21445134024335 is 53342043154412.

It is not a de Polignac number, because 21445134024335 - 2¹⁴ = 21445134007951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21445134024292 and 21445134024301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43765579397 + ... + 43765579886.

It is an arithmetic number, because the mean of its divisors is an integer number (2494638039594).

Almost surely, 2^{21445134024335} is an apocalyptic number.

21445134024335 is a deficient number, since it is larger than the sum of its proper divisors (8490522450793).

21445134024335 is an equidigital number, since it uses as much as digits as its factorization.

21445134024335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87531159302 (or 87531159295 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 21445134024335 its reverse (53342043154412), we get a palindrome (74787177178747).

The spelling of 21445134024335 in words is "twenty-one trillion, four hundred forty-five billion, one hundred thirty-four million, twenty-four thousand, three hundred thirty-five".