12730834433 has 2 divisors, whose sum is σ = 12730834434. Its totient is φ = 12730834432.

The previous prime is 12730834409. The next prime is 12730834483. The reversal of 12730834433 is 33443803721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12712111504 + 18722929 = 112748^2 + 4327^2 .

It is an emirp because it is prime and its reverse (33443803721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12730834433 - 2²⁴ = 12714057217 is a prime.

It is not a weakly prime, because it can be changed into another prime (12730834483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365417216 + 6365417217.

It is an arithmetic number, because the mean of its divisors is an integer number (6365417217).

Almost surely, 2^12730834433 is an apocalyptic number.

It is an amenable number.

12730834433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12730834433 is an equidigital number, since it uses as much as digits as its factorization.

12730834433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 12730834433 in words is "twelve billion, seven hundred thirty million, eight hundred thirty-four thousand, four hundred thirty-three".