12854607449 has 4 divisors (see below), whose sum is σ = 13030698036. Its totient is φ = 12678516864.

The previous prime is 12854607431. The next prime is 12854607457. The reversal of 12854607449 is 94470645821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6932227600 + 5922379849 = 83260^2 + 76957^2 .

It is a cyclic number.

It is not a de Polignac number, because 12854607449 - 2¹⁶ = 12854541913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12854607397 and 12854607406.

It is not an unprimeable number, because it can be changed into a prime (12854607419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88045184 + ... + 88045329.

It is an arithmetic number, because the mean of its divisors is an integer number (3257674509).

Almost surely, 2^12854607449 is an apocalyptic number.

It is an amenable number.

12854607449 is a deficient number, since it is larger than the sum of its proper divisors (176090587).

12854607449 is an equidigital number, since it uses as much as digits as its factorization.

12854607449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176090586.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 12854607449 in words is "twelve billion, eight hundred fifty-four million, six hundred seven thousand, four hundred forty-nine".