21334534355 has 8 divisors (see below), whose sum is σ = 25632553632. Its totient is φ = 17046885888.

The previous prime is 21334534337. The next prime is 21334534367. The reversal of 21334534355 is 55343543312.

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 21334534355 - 2¹⁰ = 21334533331 is a prime.

It is a super-2 number, since 2×21334534355² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 2588174 + ... + 2596403.

It is an arithmetic number, because the mean of its divisors is an integer number (3204069204).

Almost surely, 2^21334534355 is an apocalyptic number.

21334534355 is a deficient number, since it is larger than the sum of its proper divisors (4298019277).

21334534355 is an equidigital number, since it uses as much as digits as its factorization.

21334534355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185405.

The product of its digits is 324000, while the sum is 38.

The spelling of 21334534355 in words is "twenty-one billion, three hundred thirty-four million, five hundred thirty-four thousand, three hundred fifty-five".