12649117248 has 56 divisors (see below), whose sum is σ = 37186067360. Its totient is φ = 4216371840.

The previous prime is 12649117181. The next prime is 12649117259. The reversal of 12649117248 is 84271194621.

12649117248 is a `hidden beast` number, since 126 + 491 + 17 + 24 + 8 = 666.

It is a super-3 number, since 3×12649117248³ (a number of 31 digits) contains 333 as substring.

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, 3658318 + ... + 3661773.

Almost surely, 2^12649117248 is an apocalyptic number.

12649117248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12649117248 is an abundant number, since it is smaller than the sum of its proper divisors (24536950112).

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

12649117248 is an equidigital number, since it uses as much as digits as its factorization.

12649117248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320112 (or 7320096 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 12649117248 in words is "twelve billion, six hundred forty-nine million, one hundred seventeen thousand, two hundred forty-eight".