21433431196 has 6 divisors (see below), whose sum is σ = 37508504600. Its totient is φ = 10716715596.

The previous prime is 21433431193. The next prime is 21433431247. The reversal of 21433431196 is 69113433412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433431193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2679178896 + ... + 2679178903.

Almost surely, 2^21433431196 is an apocalyptic number.

It is an amenable number.

21433431196 is a deficient number, since it is larger than the sum of its proper divisors (16075073404).

21433431196 is a wasteful number, since it uses less digits than its factorization.

21433431196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358357803 (or 5358357801 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The spelling of 21433431196 in words is "twenty-one billion, four hundred thirty-three million, four hundred thirty-one thousand, one hundred ninety-six".