21241442414 has 8 divisors (see below), whose sum is σ = 31862871720. Its totient is φ = 10620485176.

The previous prime is 21241442377. The next prime is 21241442473. The reversal of 21241442414 is 41424414212.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33257 + ... + 208779.

It is an arithmetic number, because the mean of its divisors is an integer number (3982858965).

Almost surely, 2^21241442414 is an apocalyptic number.

21241442414 is a deficient number, since it is larger than the sum of its proper divisors (10621429306).

21241442414 is a wasteful number, since it uses less digits than its factorization.

21241442414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236034.

The product of its digits is 8192, while the sum is 29.

Adding to 21241442414 its reverse (41424414212), we get a palindrome (62665856626).

The spelling of 21241442414 in words is "twenty-one billion, two hundred forty-one million, four hundred forty-two thousand, four hundred fourteen".