21433101005 has 8 divisors (see below), whose sum is σ = 26549389824. Its totient is φ = 16593368400.

The previous prime is 21433100947. The next prime is 21433101007. The reversal of 21433101005 is 50010133412.

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

It is not a de Polignac number, because 21433101005 - 2⁸ = 21433100749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433101007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69138881 + ... + 69139190.

It is an arithmetic number, because the mean of its divisors is an integer number (3318673728).

Almost surely, 2^21433101005 is an apocalyptic number.

It is an amenable number.

21433101005 is a deficient number, since it is larger than the sum of its proper divisors (5116288819).

21433101005 is a wasteful number, since it uses less digits than its factorization.

21433101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138278107.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 21433101005 its reverse (50010133412), we get a palindrome (71443234417).

The spelling of 21433101005 in words is "twenty-one billion, four hundred thirty-three million, one hundred one thousand, five".