21413030443430 has 32 divisors (see below), whose sum is σ = 39815232307200. Its totient is φ = 8282989956960.

The previous prime is 21413030443381. The next prime is 21413030443459. The reversal of 21413030443430 is 3434403031412.

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 15 ways as a sum of consecutive naturals, for example, 24253334 + ... + 25120713.

It is an arithmetic number, because the mean of its divisors is an integer number (1244226009600).

Almost surely, 2^{21413030443430} is an apocalyptic number.

21413030443430 is a deficient number, since it is larger than the sum of its proper divisors (18402201863770).

21413030443430 is a wasteful number, since it uses less digits than its factorization.

21413030443430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49375484.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21413030443430 its reverse (3434403031412), we get a palindrome (24847433474842).

The spelling of 21413030443430 in words is "twenty-one trillion, four hundred thirteen billion, thirty million, four hundred forty-three thousand, four hundred thirty".