12536276149 has 2 divisors, whose sum is σ = 12536276150. Its totient is φ = 12536276148.

The previous prime is 12536276147. The next prime is 12536276167. The reversal of 12536276149 is 94167263521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10262703025 + 2273573124 = 101305^2 + 47682^2 .

It is an emirp because it is prime and its reverse (94167263521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12536276149 - 2¹ = 12536276147 is a prime.

Together with 12536276147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12536276099 and 12536276108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12536276147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268138074 + 6268138075.

It is an arithmetic number, because the mean of its divisors is an integer number (6268138075).

Almost surely, 2^12536276149 is an apocalyptic number.

It is an amenable number.

12536276149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12536276149 is an equidigital number, since it uses as much as digits as its factorization.

12536276149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The spelling of 12536276149 in words is "twelve billion, five hundred thirty-six million, two hundred seventy-six thousand, one hundred forty-nine".