12303734549 has 2 divisors, whose sum is σ = 12303734550. Its totient is φ = 12303734548.

The previous prime is 12303734533. The next prime is 12303734617. The reversal of 12303734549 is 94543730321.

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., 7169008900 + 5134725649 = 84670^2 + 71657^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303734549 - 2⁴ = 12303734533 is a prime.

It is a super-3 number, since 3×12303734549³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303734249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151867274 + 6151867275.

It is an arithmetic number, because the mean of its divisors is an integer number (6151867275).

Almost surely, 2^12303734549 is an apocalyptic number.

It is an amenable number.

12303734549 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303734549 is an equidigital number, since it uses as much as digits as its factorization.

12303734549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 12303734549 in words is "twelve billion, three hundred three million, seven hundred thirty-four thousand, five hundred forty-nine".