21441023534354 has 16 divisors (see below), whose sum is σ = 32308340644608. Its totient is φ = 10671584341392.

The previous prime is 21441023534297. The next prime is 21441023534369. The reversal of 21441023534354 is 45343532014412.

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, 3680204 + ... + 7511720.

It is an arithmetic number, because the mean of its divisors is an integer number (2019271290288).

Almost surely, 2^{21441023534354} is an apocalyptic number.

21441023534354 is a deficient number, since it is larger than the sum of its proper divisors (10867317110254).

21441023534354 is a wasteful number, since it uses less digits than its factorization.

21441023534354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844289.

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

Adding to 21441023534354 its reverse (45343532014412), we get a palindrome (66784555548766).

The spelling of 21441023534354 in words is "twenty-one trillion, four hundred forty-one billion, twenty-three million, five hundred thirty-four thousand, three hundred fifty-four".