43404504005 has 4 divisors (see below), whose sum is σ = 52085404812. Its totient is φ = 34723603200.

The previous prime is 43404503993. The next prime is 43404504037. The reversal of 43404504005 is 50040540434.

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 9115093729 + 34289410276 = 95473^2 + 185174^2 .

It is not a de Polignac number, because 43404504005 - 2⁸ = 43404503749 is a prime.

It is a super-2 number, since 2×43404504005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4340450396 + ... + 4340450405.

It is an arithmetic number, because the mean of its divisors is an integer number (13021351203).

Almost surely, 2^43404504005 is an apocalyptic number.

It is an amenable number.

43404504005 is a deficient number, since it is larger than the sum of its proper divisors (8680900807).

43404504005 is an equidigital number, since it uses as much as digits as its factorization.

43404504005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680900806.

The product of its (nonzero) digits is 19200, while the sum is 29.

The spelling of 43404504005 in words is "forty-three billion, four hundred four million, five hundred four thousand, five".