12849469280 has 24 divisors (see below), whose sum is σ = 30356871552. Its totient is φ = 5139787648.

The previous prime is 12849469231. The next prime is 12849469351. The reversal of 12849469280 is 8296494821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40154432 + ... + 40154751.

It is an arithmetic number, because the mean of its divisors is an integer number (1264869648).

Almost surely, 2^12849469280 is an apocalyptic number.

12849469280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12849469280 is an abundant number, since it is smaller than the sum of its proper divisors (17507402272).

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

12849469280 is an equidigital number, since it uses as much as digits as its factorization.

12849469280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80309198 (or 80309190 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 12849469280 in words is "twelve billion, eight hundred forty-nine million, four hundred sixty-nine thousand, two hundred eighty".