21413444230 has 8 divisors (see below), whose sum is σ = 38544199632. Its totient is φ = 8565377688.

The previous prime is 21413444203. The next prime is 21413444249. The reversal of 21413444230 is 3244431412.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070672202 + ... + 1070672221.

It is an arithmetic number, because the mean of its divisors is an integer number (4818024954).

Almost surely, 2^21413444230 is an apocalyptic number.

21413444230 is a deficient number, since it is larger than the sum of its proper divisors (17130755402).

21413444230 is a wasteful number, since it uses less digits than its factorization.

21413444230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141344430.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21413444230 its reverse (3244431412), we get a palindrome (24657875642).

The spelling of 21413444230 in words is "twenty-one billion, four hundred thirteen million, four hundred forty-four thousand, two hundred thirty".