12980958533 has 4 divisors (see below), whose sum is σ = 12981451968. Its totient is φ = 12980465100.

The previous prime is 12980958509. The next prime is 12980958559. The reversal of 12980958533 is 33585908921.

12980958533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12980958533 - 2¹⁸ = 12980696389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12985958533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204893 + ... + 260658.

It is an arithmetic number, because the mean of its divisors is an integer number (3245362992).

Almost surely, 2^12980958533 is an apocalyptic number.

It is an amenable number.

12980958533 is a deficient number, since it is larger than the sum of its proper divisors (493435).

12980958533 is an equidigital number, since it uses as much as digits as its factorization.

12980958533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493434.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 12980958533 in words is "twelve billion, nine hundred eighty million, nine hundred fifty-eight thousand, five hundred thirty-three".