14037211621 has 2 divisors, whose sum is σ = 14037211622. Its totient is φ = 14037211620.

The previous prime is 14037211613. The next prime is 14037211633. The reversal of 14037211621 is 12611273041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14035140900 + 2070721 = 118470^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 14037211621 - 2³ = 14037211613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14037211621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14037211651) 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 as a sum of consecutive naturals, namely, 7018605810 + 7018605811.

It is an arithmetic number, because the mean of its divisors is an integer number (7018605811).

Almost surely, 2^14037211621 is an apocalyptic number.

It is an amenable number.

14037211621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14037211621 is an equidigital number, since it uses as much as digits as its factorization.

14037211621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 14037211621 its reverse (12611273041), we get a palindrome (26648484662).

The spelling of 14037211621 in words is "fourteen billion, thirty-seven million, two hundred eleven thousand, six hundred twenty-one".