12493537480 has 32 divisors (see below), whose sum is σ = 28157916600. Its totient is φ = 4988978176.

The previous prime is 12493537453. The next prime is 12493537499. The reversal of 12493537480 is 8473539421.

It can be written as a sum of positive squares in 4 ways, for example, as 7093345284 + 5400192196 = 84222^2 + 73486^2 .

It is a super-4 number, since 4×12493537480⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12493537480.

It is an unprimeable number.

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, 239635 + ... + 287074.

Almost surely, 2^12493537480 is an apocalyptic number.

12493537480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12493537480 is an abundant number, since it is smaller than the sum of its proper divisors (15664379120).

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

12493537480 is a wasteful number, since it uses less digits than its factorization.

12493537480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527313 (or 527309 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 12493537480 in words is "twelve billion, four hundred ninety-three million, five hundred thirty-seven thousand, four hundred eighty".