43424261305 has 8 divisors (see below), whose sum is σ = 53092304712. Its totient is φ = 34083948288.

The previous prime is 43424261233. The next prime is 43424261317. The reversal of 43424261305 is 50316242434.

It can be written as a sum of positive squares in 4 ways, for example, as 927263401 + 42496997904 = 30451^2 + 206148^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43424261305 - 2²⁵ = 43390706873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81932304 + ... + 81932833.

It is an arithmetic number, because the mean of its divisors is an integer number (6636538089).

Almost surely, 2^43424261305 is an apocalyptic number.

It is an amenable number.

43424261305 is a deficient number, since it is larger than the sum of its proper divisors (9668043407).

43424261305 is a wasteful number, since it uses less digits than its factorization.

43424261305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163865195.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 43424261305 in words is "forty-three billion, four hundred twenty-four million, two hundred sixty-one thousand, three hundred five".