4430013212421 has 24 divisors (see below), whose sum is σ = 6636874817664. Its totient is φ = 2952910326240.

The previous prime is 4430013212393. The next prime is 4430013212423. The reversal of 4430013212421 is 1242123100344.

4430013212421 is a `hidden beast` number, since 4 + 430 + 0 + 13 + 212 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 4430013212421 - 2⁵ = 4430013212389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430013212423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336916 + ... + 2995586.

It is an arithmetic number, because the mean of its divisors is an integer number (276536450736).

Almost surely, 2^{4430013212421} is an apocalyptic number.

It is an amenable number.

4430013212421 is a deficient number, since it is larger than the sum of its proper divisors (2206861605243).

4430013212421 is an equidigital number, since it uses as much as digits as its factorization.

4430013212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665543 (or 2665531 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4430013212421 its reverse (1242123100344), we get a palindrome (5672136312765).

The spelling of 4430013212421 in words is "four trillion, four hundred thirty billion, thirteen million, two hundred twelve thousand, four hundred twenty-one".