21433414313443 has 12 divisors (see below), whose sum is σ = 23559164826120. Its totient is φ = 19484820666080.

The previous prime is 21433414313429. The next prime is 21433414313459. The reversal of 21433414313443 is 34431341433412.

It is not a de Polignac number, because 21433414313443 - 2¹⁷ = 21433414182371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21433414313396 and 21433414313405.

It is not an unprimeable number, because it can be changed into a prime (21433414323443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32681328 + ... + 33330706.

It is an arithmetic number, because the mean of its divisors is an integer number (1963263735510).

Almost surely, 2^{21433414313443} is an apocalyptic number.

21433414313443 is a deficient number, since it is larger than the sum of its proper divisors (2125750512677).

21433414313443 is a wasteful number, since it uses less digits than its factorization.

21433414313443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922178 (or 922167 counting only the distinct ones).

The product of its digits is 497664, while the sum is 40.

Adding to 21433414313443 its reverse (34431341433412), we get a palindrome (55864755746855).

The spelling of 21433414313443 in words is "twenty-one trillion, four hundred thirty-three billion, four hundred fourteen million, three hundred thirteen thousand, four hundred forty-three".