13201264537 has 2 divisors, whose sum is σ = 13201264538. Its totient is φ = 13201264536.

The previous prime is 13201264523. The next prime is 13201264547. The reversal of 13201264537 is 73546210231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8848036096 + 4353228441 = 94064^2 + 65979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13201264537 is a prime.

It is not a weakly prime, because it can be changed into another prime (13201264547) 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, 6600632268 + 6600632269.

It is an arithmetic number, because the mean of its divisors is an integer number (6600632269).

Almost surely, 2^13201264537 is an apocalyptic number.

It is an amenable number.

13201264537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201264537 is an equidigital number, since it uses as much as digits as its factorization.

13201264537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 13201264537 its reverse (73546210231), we get a palindrome (86747474768).

The spelling of 13201264537 in words is "thirteen billion, two hundred one million, two hundred sixty-four thousand, five hundred thirty-seven".