43265710513 has 4 divisors (see below), whose sum is σ = 43413375348. Its totient is φ = 43118045680.

The previous prime is 43265710463. The next prime is 43265710547. The reversal of 43265710513 is 31501756234.

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 22904703649 + 20361006864 = 151343^2 + 142692^2 .

It is a cyclic number.

It is not a de Polignac number, because 43265710513 - 2²⁵ = 43232156081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43265780513) 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, 73831978 + ... + 73832563.

It is an arithmetic number, because the mean of its divisors is an integer number (10853343837).

Almost surely, 2^43265710513 is an apocalyptic number.

It is an amenable number.

43265710513 is a deficient number, since it is larger than the sum of its proper divisors (147664835).

43265710513 is a wasteful number, since it uses less digits than its factorization.

43265710513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147664834.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 43265710513 in words is "forty-three billion, two hundred sixty-five million, seven hundred ten thousand, five hundred thirteen".