21144001341 has 8 divisors (see below), whose sum is σ = 28193821344. Its totient is φ = 14095091120.

The previous prime is 21144001339. The next prime is 21144001357. The reversal of 21144001341 is 14310044112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21144001341 - 2¹ = 21144001339 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21144001321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171231 + ... + 267596.

It is an arithmetic number, because the mean of its divisors is an integer number (3524227668).

Almost surely, 2^21144001341 is an apocalyptic number.

It is an amenable number.

21144001341 is a deficient number, since it is larger than the sum of its proper divisors (7049820003).

21144001341 is a wasteful number, since it uses less digits than its factorization.

21144001341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454891.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21144001341 its reverse (14310044112), we get a palindrome (35454045453).

The spelling of 21144001341 in words is "twenty-one billion, one hundred forty-four million, one thousand, three hundred forty-one".