13318753537 has 2 divisors, whose sum is σ = 13318753538. Its totient is φ = 13318753536.

The previous prime is 13318753531. The next prime is 13318753559. The reversal of 13318753537 is 73535781331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12630163456 + 688590081 = 112384^2 + 26241^2 .

It is an emirp because it is prime and its reverse (73535781331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13318753537 - 2²⁷ = 13184535809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13318753531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659376768 + 6659376769.

It is an arithmetic number, because the mean of its divisors is an integer number (6659376769).

Almost surely, 2^13318753537 is an apocalyptic number.

It is an amenable number.

13318753537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13318753537 is an equidigital number, since it uses as much as digits as its factorization.

13318753537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 46.

The spelling of 13318753537 in words is "thirteen billion, three hundred eighteen million, seven hundred fifty-three thousand, five hundred thirty-seven".