43260534449 has 4 divisors (see below), whose sum is σ = 47193310320. Its totient is φ = 39327758580.

The previous prime is 43260534439. The next prime is 43260534511. The reversal of 43260534449 is 94443506234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-43260534449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43260534419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966387919 + ... + 1966387940.

It is an arithmetic number, because the mean of its divisors is an integer number (11798327580).

Almost surely, 2^43260534449 is an apocalyptic number.

It is an amenable number.

43260534449 is a deficient number, since it is larger than the sum of its proper divisors (3932775871).

43260534449 is a wasteful number, since it uses less digits than its factorization.

43260534449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932775870.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 43260534449 in words is "forty-three billion, two hundred sixty million, five hundred thirty-four thousand, four hundred forty-nine".