12369481449 has 8 divisors (see below), whose sum is σ = 17761306752. Its totient is φ = 7611988560.

The previous prime is 12369481379. The next prime is 12369481457. The reversal of 12369481449 is 94418496321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12369481449 - 2¹² = 12369477353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12369481499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158583057 + ... + 158583134.

It is an arithmetic number, because the mean of its divisors is an integer number (2220163344).

Almost surely, 2^12369481449 is an apocalyptic number.

It is an amenable number.

12369481449 is a deficient number, since it is larger than the sum of its proper divisors (5391825303).

12369481449 is a wasteful number, since it uses less digits than its factorization.

12369481449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317166207.

The product of its digits is 1492992, while the sum is 51.

The spelling of 12369481449 in words is "twelve billion, three hundred sixty-nine million, four hundred eighty-one thousand, four hundred forty-nine".