21404041341 has 16 divisors (see below), whose sum is σ = 28947166848. Its totient is φ = 14065228800.

The previous prime is 21404041327. The next prime is 21404041343. The reversal of 21404041341 is 14314040412.

It is not a de Polignac number, because 21404041341 - 2⁶ = 21404041277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21404041343) 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, 1295565 + ... + 1311981.

It is an arithmetic number, because the mean of its divisors is an integer number (1809197928).

Almost surely, 2^21404041341 is an apocalyptic number.

It is an amenable number.

21404041341 is a deficient number, since it is larger than the sum of its proper divisors (7543125507).

21404041341 is a wasteful number, since it uses less digits than its factorization.

21404041341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22612.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21404041341 its reverse (14314040412), we get a palindrome (35718081753).

The spelling of 21404041341 in words is "twenty-one billion, four hundred four million, forty-one thousand, three hundred forty-one".