12079549989 has 12 divisors (see below), whose sum is σ = 18790411276. Its totient is φ = 7433569152.

The previous prime is 12079549973. The next prime is 12079550017. The reversal of 12079549989 is 98994597021.

12079549989 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 9 + 549 + 9 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7561693764 + 4517856225 = 86958^2 + 67215^2 .

It is not a de Polignac number, because 12079549989 - 2⁴ = 12079549973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12079549919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51621892 + ... + 51622125.

Almost surely, 2^12079549989 is an apocalyptic number.

It is an amenable number.

12079549989 is a deficient number, since it is larger than the sum of its proper divisors (6710861287).

12079549989 is a wasteful number, since it uses less digits than its factorization.

12079549989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103244036 (or 103244033 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 12079549989 in words is "twelve billion, seventy-nine million, five hundred forty-nine thousand, nine hundred eighty-nine".