12493449288 has 32 divisors (see below), whose sum is σ = 34704026400. Its totient is φ = 4164483024.

The previous prime is 12493449257. The next prime is 12493449307. The reversal of 12493449288 is 88294439421.

It is a happy number.

12493449288 is a `hidden beast` number, since 1 + 2 + 49 + 34 + 492 + 88 = 666.

It is a super-2 number, since 2×12493449288² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28919806 + ... + 28920237.

It is an arithmetic number, because the mean of its divisors is an integer number (1084500825).

Almost surely, 2^12493449288 is an apocalyptic number.

12493449288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12493449288 is an abundant number, since it is smaller than the sum of its proper divisors (22210577112).

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

12493449288 is a wasteful number, since it uses less digits than its factorization.

12493449288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57840058 (or 57840048 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 12493449288 in words is "twelve billion, four hundred ninety-three million, four hundred forty-nine thousand, two hundred eighty-eight".