12988979659 has 16 divisors (see below), whose sum is σ = 14016831840. Its totient is φ = 11992665600.

The previous prime is 12988979657. The next prime is 12988979803. The reversal of 12988979659 is 95697988921.

It is a cyclic number.

It is not a de Polignac number, because 12988979659 - 2¹ = 12988979657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12988979591 and 12988979600.

It is not an unprimeable number, because it can be changed into a prime (12988979651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152452 + ... + 221854.

It is an arithmetic number, because the mean of its divisors is an integer number (876051990).

Almost surely, 2^12988979659 is an apocalyptic number.

12988979659 is a deficient number, since it is larger than the sum of its proper divisors (1027852181).

12988979659 is a wasteful number, since it uses less digits than its factorization.

12988979659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69630.

The product of its digits is 176359680, while the sum is 73.

The spelling of 12988979659 in words is "twelve billion, nine hundred eighty-eight million, nine hundred seventy-nine thousand, six hundred fifty-nine".