14133115621 has 2 divisors, whose sum is σ = 14133115622. Its totient is φ = 14133115620.

The previous prime is 14133115613. The next prime is 14133115639. The reversal of 14133115621 is 12651133141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10115330625 + 4017784996 = 100575^2 + 63386^2 .

It is a cyclic number.

It is not a de Polignac number, because 14133115621 - 2³ = 14133115613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14133115621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14133115691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7066557810 + 7066557811.

It is an arithmetic number, because the mean of its divisors is an integer number (7066557811).

Almost surely, 2^14133115621 is an apocalyptic number.

It is an amenable number.

14133115621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14133115621 is an equidigital number, since it uses as much as digits as its factorization.

14133115621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

Adding to 14133115621 its reverse (12651133141), we get a palindrome (26784248762).

The spelling of 14133115621 in words is "fourteen billion, one hundred thirty-three million, one hundred fifteen thousand, six hundred twenty-one".