4430001400021 has 4 divisors (see below), whose sum is σ = 4430015883072. Its totient is φ = 4429986916972.

The previous prime is 4430001399973. The next prime is 4430001400049. The reversal of 4430001400021 is 1200041000344.

4430001400021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4430001400021 - 2¹¹ = 4430001397973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430001400051) 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 3 ways as a sum of consecutive naturals, for example, 6772591 + ... + 7397836.

It is an arithmetic number, because the mean of its divisors is an integer number (1107503970768).

Almost surely, 2^{4430001400021} is an apocalyptic number.

It is an amenable number.

4430001400021 is a deficient number, since it is larger than the sum of its proper divisors (14483051).

4430001400021 is a wasteful number, since it uses less digits than its factorization.

4430001400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14483050.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 4430001400021 its reverse (1200041000344), we get a palindrome (5630042400365).

The spelling of 4430001400021 in words is "four trillion, four hundred thirty billion, one million, four hundred thousand, twenty-one".