12335648537 has 2 divisors, whose sum is σ = 12335648538. Its totient is φ = 12335648536.

The previous prime is 12335648513. The next prime is 12335648593. The reversal of 12335648537 is 73584653321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10200192016 + 2135456521 = 100996^2 + 46211^2 .

It is a cyclic number.

It is not a de Polignac number, because 12335648537 - 2⁶ = 12335648473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12335648491 and 12335648500.

It is not a weakly prime, because it can be changed into another prime (12335647537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6167824268 + 6167824269.

It is an arithmetic number, because the mean of its divisors is an integer number (6167824269).

Almost surely, 2^12335648537 is an apocalyptic number.

It is an amenable number.

12335648537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12335648537 is an equidigital number, since it uses as much as digits as its factorization.

12335648537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 47.

The spelling of 12335648537 in words is "twelve billion, three hundred thirty-five million, six hundred forty-eight thousand, five hundred thirty-seven".