13750330021 has 2 divisors, whose sum is σ = 13750330022. Its totient is φ = 13750330020.

The previous prime is 13750329977. The next prime is 13750330037. The reversal of 13750330021 is 12003305731.

13750330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9660727521 + 4089602500 = 98289^2 + 63950^2 .

It is an emirp because it is prime and its reverse (12003305731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13750330021 - 2⁷ = 13750329893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13750390021) 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 as a sum of consecutive naturals, namely, 6875165010 + 6875165011.

It is an arithmetic number, because the mean of its divisors is an integer number (6875165011).

Almost surely, 2^13750330021 is an apocalyptic number.

It is an amenable number.

13750330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13750330021 is an equidigital number, since it uses as much as digits as its factorization.

13750330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

Adding to 13750330021 its reverse (12003305731), we get a palindrome (25753635752).

The spelling of 13750330021 in words is "thirteen billion, seven hundred fifty million, three hundred thirty thousand, twenty-one".