12989398475 has 12 divisors (see below), whose sum is σ = 16153282344. Its totient is φ = 10361565120.

The previous prime is 12989398463. The next prime is 12989398481. The reversal of 12989398475 is 57489398921.

It is not a de Polignac number, because 12989398475 - 2²⁸ = 12720963019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739994 + ... + 757343.

It is an arithmetic number, because the mean of its divisors is an integer number (1346106862).

Almost surely, 2^12989398475 is an apocalyptic number.

12989398475 is a deficient number, since it is larger than the sum of its proper divisors (3163883869).

12989398475 is a wasteful number, since it uses less digits than its factorization.

12989398475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497694 (or 1497689 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 65.

The spelling of 12989398475 in words is "twelve billion, nine hundred eighty-nine million, three hundred ninety-eight thousand, four hundred seventy-five".