21433200430 has 8 divisors (see below), whose sum is σ = 38579760792. Its totient is φ = 8573280168.

The previous prime is 21433200379. The next prime is 21433200511. The reversal of 21433200430 is 3400233412.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071660012 + ... + 1071660031.

It is an arithmetic number, because the mean of its divisors is an integer number (4822470099).

Almost surely, 2^21433200430 is an apocalyptic number.

21433200430 is a deficient number, since it is larger than the sum of its proper divisors (17146560362).

21433200430 is a wasteful number, since it uses less digits than its factorization.

21433200430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143320050.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21433200430 its reverse (3400233412), we get a palindrome (24833433842).

It can be divided in two parts, 214 and 33200430, that added together give a square (33200644 = 5762²).

The spelling of 21433200430 in words is "twenty-one billion, four hundred thirty-three million, two hundred thousand, four hundred thirty".