21322441435 has 8 divisors (see below), whose sum is σ = 25590368016. Its totient is φ = 17055660960.

The previous prime is 21322441423. The next prime is 21322441457. The reversal of 21322441435 is 53414422312.

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

It is not a de Polignac number, because 21322441435 - 2¹¹ = 21322439387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21322441397 and 21322441406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245049 + ... + 320458.

It is an arithmetic number, because the mean of its divisors is an integer number (3198796002).

Almost surely, 2^21322441435 is an apocalyptic number.

21322441435 is a deficient number, since it is larger than the sum of its proper divisors (4267926581).

21322441435 is an equidigital number, since it uses as much as digits as its factorization.

21322441435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573053.

The product of its digits is 23040, while the sum is 31.

Adding to 21322441435 its reverse (53414422312), we get a palindrome (74736863747).

The spelling of 21322441435 in words is "twenty-one billion, three hundred twenty-two million, four hundred forty-one thousand, four hundred thirty-five".