12433072945 has 4 divisors (see below), whose sum is σ = 14919687540. Its totient is φ = 9946458352.

The previous prime is 12433072907. The next prime is 12433072957. The reversal of 12433072945 is 54927033421.

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 2250648481 + 10182424464 = 47441^2 + 100908^2 .

It is a cyclic number.

It is not a de Polignac number, because 12433072945 - 2¹⁵ = 12433040177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12433072898 and 12433072907.

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, 1243307290 + ... + 1243307299.

It is an arithmetic number, because the mean of its divisors is an integer number (3729921885).

Almost surely, 2^12433072945 is an apocalyptic number.

It is an amenable number.

12433072945 is a deficient number, since it is larger than the sum of its proper divisors (2486614595).

12433072945 is an equidigital number, since it uses as much as digits as its factorization.

12433072945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486614594.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 12433072945 in words is "twelve billion, four hundred thirty-three million, seventy-two thousand, nine hundred forty-five".