21412003442 has 8 divisors (see below), whose sum is σ = 32118888576. Its totient is φ = 10705707252.

The previous prime is 21412003411. The next prime is 21412003453. The reversal of 21412003442 is 24430021412.

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

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, 41018 + ... + 210965.

It is an arithmetic number, because the mean of its divisors is an integer number (4014861072).

Almost surely, 2^21412003442 is an apocalyptic number.

21412003442 is a deficient number, since it is larger than the sum of its proper divisors (10706885134).

21412003442 is a wasteful number, since it uses less digits than its factorization.

21412003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294472.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 21412003442 its reverse (24430021412), we get a palindrome (45842024854).

The spelling of 21412003442 in words is "twenty-one billion, four hundred twelve million, three thousand, four hundred forty-two".