43275248617 has 4 divisors (see below), whose sum is σ = 43289500996. Its totient is φ = 43260996240.

The previous prime is 43275248609. The next prime is 43275248623. The reversal of 43275248617 is 71684257234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71684257234 = 2 ⋅35842128617.

It can be written as a sum of positive squares in 2 ways, for example, as 40708711696 + 2566536921 = 201764^2 + 50661^2 .

It is a cyclic number.

It is not a de Polignac number, because 43275248617 - 2³ = 43275248609 is a prime.

It is a super-4 number, since 4×43275248617⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43275248647) 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, 7121634 + ... + 7127707.

It is an arithmetic number, because the mean of its divisors is an integer number (10822375249).

Almost surely, 2^43275248617 is an apocalyptic number.

It is an amenable number.

43275248617 is a deficient number, since it is larger than the sum of its proper divisors (14252379).

43275248617 is a wasteful number, since it uses less digits than its factorization.

43275248617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14252378.

The product of its digits is 2257920, while the sum is 49.

The spelling of 43275248617 in words is "forty-three billion, two hundred seventy-five million, two hundred forty-eight thousand, six hundred seventeen".