21433341411 has 6 divisors (see below), whose sum is σ = 30959270940. Its totient is φ = 14288894268.

The previous prime is 21433341409. The next prime is 21433341437. The reversal of 21433341411 is 11414333412.

21433341411 is a `hidden beast` number, since 214 + 3 + 3 + 34 + 1 + 411 = 666.

It is not a de Polignac number, because 21433341411 - 2¹ = 21433341409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21433341211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1190741181 + ... + 1190741198.

It is an arithmetic number, because the mean of its divisors is an integer number (5159878490).

Almost surely, 2^21433341411 is an apocalyptic number.

21433341411 is a deficient number, since it is larger than the sum of its proper divisors (9525929529).

21433341411 is a wasteful number, since it uses less digits than its factorization.

21433341411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381482385 (or 2381482382 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 21433341411 its reverse (11414333412), we get a palindrome (32847674823).

The spelling of 21433341411 in words is "twenty-one billion, four hundred thirty-three million, three hundred forty-one thousand, four hundred eleven".