21412022433 has 16 divisors (see below), whose sum is σ = 29325414720. Its totient is φ = 13886773056.

The previous prime is 21412022407. The next prime is 21412022447. The reversal of 21412022433 is 33422021412.

It is a happy number.

It is not a de Polignac number, because 21412022433 - 2²² = 21407828129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21412022033) 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, 1104498 + ... + 1123716.

It is an arithmetic number, because the mean of its divisors is an integer number (1832838420).

Almost surely, 2^21412022433 is an apocalyptic number.

It is an amenable number.

21412022433 is a deficient number, since it is larger than the sum of its proper divisors (7913392287).

21412022433 is a wasteful number, since it uses less digits than its factorization.

21412022433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29296.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21412022433 its reverse (33422021412), we get a palindrome (54834043845).

The spelling of 21412022433 in words is "twenty-one billion, four hundred twelve million, twenty-two thousand, four hundred thirty-three".