21433443314 has 16 divisors (see below), whose sum is σ = 32328855000. Its totient is φ = 10657323264.

The previous prime is 21433443233. The next prime is 21433443347. The reversal of 21433443314 is 41334433412.

It can be written as a sum of positive squares in 4 ways, for example, as 7001505625 + 14431937689 = 83675^2 + 120133^2 .

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, 221312 + ... + 303060.

Almost surely, 2^21433443314 is an apocalyptic number.

21433443314 is a deficient number, since it is larger than the sum of its proper divisors (10895411686).

21433443314 is a wasteful number, since it uses less digits than its factorization.

21433443314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82477.

The product of its digits is 41472, while the sum is 32.

Adding to 21433443314 its reverse (41334433412), we get a palindrome (62767876726).

The spelling of 21433443314 in words is "twenty-one billion, four hundred thirty-three million, four hundred forty-three thousand, three hundred fourteen".