12989094478 has 16 divisors (see below), whose sum is σ = 19567747584. Its totient is φ = 6466557240.

The previous prime is 12989094407. The next prime is 12989094487. The reversal of 12989094478 is 87449098921.

12989094478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 597801 + ... + 619147.

It is an arithmetic number, because the mean of its divisors is an integer number (1222984224).

Almost surely, 2^12989094478 is an apocalyptic number.

12989094478 is a deficient number, since it is larger than the sum of its proper divisors (6578653106).

12989094478 is a wasteful number, since it uses less digits than its factorization.

12989094478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22647.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 12989094478 in words is "twelve billion, nine hundred eighty-nine million, ninety-four thousand, four hundred seventy-eight".