14430333421021 has 12 divisors (see below), whose sum is σ = 17773736003388. Its totient is φ = 11641277380992.

The previous prime is 14430333421003. The next prime is 14430333421073. The reversal of 14430333421021 is 12012433303441.

It can be written as a sum of positive squares in 2 ways, for example, as 10437170496921 + 3993162924100 = 3230661^2 + 1998290^2 .

It is not a de Polignac number, because 14430333421021 - 2⁹ = 14430333420509 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 (14430333427021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8661663886 + ... + 8661665551.

It is an arithmetic number, because the mean of its divisors is an integer number (1481144666949).

Almost surely, 2^{14430333421021} is an apocalyptic number.

It is an amenable number.

14430333421021 is a deficient number, since it is larger than the sum of its proper divisors (3343402582367).

14430333421021 is a wasteful number, since it uses less digits than its factorization.

14430333421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17323329468 (or 17323329461 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 14430333421021 its reverse (12012433303441), we get a palindrome (26442766724462).

The spelling of 14430333421021 in words is "fourteen trillion, four hundred thirty billion, three hundred thirty-three million, four hundred twenty-one thousand, twenty-one".