12469272864 has 48 divisors (see below), whose sum is σ = 32738670720. Its totient is φ = 4155557120.

The previous prime is 12469272857. The next prime is 12469272869. The reversal of 12469272864 is 46827296421.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (12469272869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586777 + ... + 607655.

It is an arithmetic number, because the mean of its divisors is an integer number (682055640).

Almost surely, 2^12469272864 is an apocalyptic number.

It is an amenable number.

12469272864 is an abundant number, since it is smaller than the sum of its proper divisors (20269397856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12469272864 is a wasteful number, since it uses less digits than its factorization.

12469272864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113 (or 27105 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 12469272864 in words is "twelve billion, four hundred sixty-nine million, two hundred seventy-two thousand, eight hundred sixty-four".