21412341443430 has 96 divisors (see below), whose sum is σ = 66421957171680. Its totient is φ = 4894249469760.

The previous prime is 21412341443419. The next prime is 21412341443443. The reversal of 21412341443430 is 3434414321412.

21412341443430 is a `hidden beast` number, since 2 + 1 + 41 + 234 + 1 + 44 + 343 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 809221141 + ... + 809247600.

It is an arithmetic number, because the mean of its divisors is an integer number (691895387205).

Almost surely, 2^{21412341443430} is an apocalyptic number.

21412341443430 is an abundant number, since it is smaller than the sum of its proper divisors (45009615728250).

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

21412341443430 is a wasteful number, since it uses less digits than its factorization.

21412341443430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618468771 (or 1618468758 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 21412341443430 its reverse (3434414321412), we get a palindrome (24846755764842).

The spelling of 21412341443430 in words is "twenty-one trillion, four hundred twelve billion, three hundred forty-one million, four hundred forty-three thousand, four hundred thirty".