13530053437 has 2 divisors, whose sum is σ = 13530053438. Its totient is φ = 13530053436.

The previous prime is 13530053417. The next prime is 13530053473. The reversal of 13530053437 is 73435003531.

Together with next prime (13530053473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11513504601 + 2016548836 = 107301^2 + 44906^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530053437 - 2⁷ = 13530053309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530053417) 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, 6765026718 + 6765026719.

It is an arithmetic number, because the mean of its divisors is an integer number (6765026719).

Almost surely, 2^13530053437 is an apocalyptic number.

It is an amenable number.

13530053437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530053437 is an equidigital number, since it uses as much as digits as its factorization.

13530053437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 34.

Adding to 13530053437 its reverse (73435003531), we get a palindrome (86965056968).

The spelling of 13530053437 in words is "thirteen billion, five hundred thirty million, fifty-three thousand, four hundred thirty-seven".