21414411442 has 8 divisors (see below), whose sum is σ = 32128183296. Its totient is φ = 10705017012.

The previous prime is 21414411419. The next prime is 21414411461. The reversal of 21414411442 is 24411441412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21414411442.

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, 1082098 + ... + 1101709.

It is an arithmetic number, because the mean of its divisors is an integer number (4016022912).

Almost surely, 2^21414411442 is an apocalyptic number.

21414411442 is a deficient number, since it is larger than the sum of its proper divisors (10713771854).

21414411442 is a wasteful number, since it uses less digits than its factorization.

21414411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188712.

The product of its digits is 4096, while the sum is 28.

Adding to 21414411442 its reverse (24411441412), we get a palindrome (45825852854).

The spelling of 21414411442 in words is "twenty-one billion, four hundred fourteen million, four hundred eleven thousand, four hundred forty-two".