12956466489 has 8 divisors (see below), whose sum is σ = 17278111872. Its totient is φ = 8636232720.

The previous prime is 12956466487. The next prime is 12956466521. The reversal of 12956466489 is 98466465921.

12956466489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12956466489 - 2¹ = 12956466487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12956466487) 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 7 ways as a sum of consecutive naturals, for example, 331297 + ... + 368334.

It is an arithmetic number, because the mean of its divisors is an integer number (2159763984).

Almost surely, 2^12956466489 is an apocalyptic number.

It is an amenable number.

12956466489 is a deficient number, since it is larger than the sum of its proper divisors (4321645383).

12956466489 is an equidigital number, since it uses as much as digits as its factorization.

12956466489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705807.

The product of its digits is 22394880, while the sum is 60.

It can be divided in two parts, 129564664 and 89, that added together give a triangular number (129564753 = T₁₆₀₉₇).

The spelling of 12956466489 in words is "twelve billion, nine hundred fifty-six million, four hundred sixty-six thousand, four hundred eighty-nine".