21412214043414 has 16 divisors (see below), whose sum is σ = 42827927247360. Its totient is φ = 7136821487720.

The previous prime is 21412214043403. The next prime is 21412214043427. The reversal of 21412214043414 is 41434041221412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145718802 + ... + 145865669.

It is an arithmetic number, because the mean of its divisors is an integer number (2676745452960).

Almost surely, 2^{21412214043414} is an apocalyptic number.

21412214043414 is an abundant number, since it is smaller than the sum of its proper divisors (21415713203946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21412214043414 is a wasteful number, since it uses less digits than its factorization.

21412214043414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291596715.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 21412214043414 its reverse (41434041221412), we get a palindrome (62846255264826).

The spelling of 21412214043414 in words is "twenty-one trillion, four hundred twelve billion, two hundred fourteen million, forty-three thousand, four hundred fourteen".