43497209113 has 4 divisors (see below), whose sum is σ = 43621843300. Its totient is φ = 43372574928.

The previous prime is 43497209081. The next prime is 43497209117. The reversal of 43497209113 is 31190279434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31190279434 = 2 ⋅15595139717.

It can be written as a sum of positive squares in 2 ways, for example, as 38719219984 + 4777989129 = 196772^2 + 69123^2 .

It is a cyclic number.

It is not a de Polignac number, because 43497209113 - 2⁵ = 43497209081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43497209113.

It is not an unprimeable number, because it can be changed into a prime (43497209117) 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, 62316570 + ... + 62317267.

It is an arithmetic number, because the mean of its divisors is an integer number (10905460825).

Almost surely, 2^43497209113 is an apocalyptic number.

It is an amenable number.

43497209113 is a deficient number, since it is larger than the sum of its proper divisors (124634187).

43497209113 is a wasteful number, since it uses less digits than its factorization.

43497209113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124634186.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 43497209113 in words is "forty-three billion, four hundred ninety-seven million, two hundred nine thousand, one hundred thirteen".