12437145529 has 2 divisors, whose sum is σ = 12437145530. Its totient is φ = 12437145528.

The previous prime is 12437145527. The next prime is 12437145563. The reversal of 12437145529 is 92554173421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10246905529 + 2190240000 = 101227^2 + 46800^2 .

It is a cyclic number.

It is not a de Polignac number, because 12437145529 - 2¹ = 12437145527 is a prime.

Together with 12437145527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12437145527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218572764 + 6218572765.

It is an arithmetic number, because the mean of its divisors is an integer number (6218572765).

Almost surely, 2^12437145529 is an apocalyptic number.

It is an amenable number.

12437145529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12437145529 is an equidigital number, since it uses as much as digits as its factorization.

12437145529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The spelling of 12437145529 in words is "twelve billion, four hundred thirty-seven million, one hundred forty-five thousand, five hundred twenty-nine".