43261465271 has 4 divisors (see below), whose sum is σ = 43266259344. Its totient is φ = 43256671200.

The previous prime is 43261465253. The next prime is 43261465319. The reversal of 43261465271 is 17256416234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17256416234 = 2 ⋅8628208117.

It is a cyclic number.

It is not a de Polignac number, because 43261465271 - 2¹⁸ = 43261203127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43261465201) 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, 2383475 + ... + 2401556.

It is an arithmetic number, because the mean of its divisors is an integer number (10816564836).

Almost surely, 2^43261465271 is an apocalyptic number.

43261465271 is a deficient number, since it is larger than the sum of its proper divisors (4794073).

43261465271 is an equidigital number, since it uses as much as digits as its factorization.

43261465271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794072.

The product of its digits is 241920, while the sum is 41.

The spelling of 43261465271 in words is "forty-three billion, two hundred sixty-one million, four hundred sixty-five thousand, two hundred seventy-one".