14030402621 has 4 divisors (see below), whose sum is σ = 14081054172. Its totient is φ = 13979751072.

The previous prime is 14030402587. The next prime is 14030402647. The reversal of 14030402621 is 12620403041.

14030402621 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2419262596 + 11611140025 = 49186^2 + 107755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14030402621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14030402671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25325360 + ... + 25325913.

It is an arithmetic number, because the mean of its divisors is an integer number (3520263543).

Almost surely, 2^14030402621 is an apocalyptic number.

It is an amenable number.

14030402621 is a deficient number, since it is larger than the sum of its proper divisors (50651551).

14030402621 is an equidigital number, since it uses as much as digits as its factorization.

14030402621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50651550.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 14030402621 its reverse (12620403041), we get a palindrome (26650805662).

The spelling of 14030402621 in words is "fourteen billion, thirty million, four hundred two thousand, six hundred twenty-one".