43163551241 has 4 divisors (see below), whose sum is σ = 43168334484. Its totient is φ = 43158768000.

The previous prime is 43163551229. The next prime is 43163551273. The reversal of 43163551241 is 14215536134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14215536134 = 2 ⋅7107768067.

It can be written as a sum of positive squares in 2 ways, for example, as 38885868025 + 4277683216 = 197195^2 + 65404^2 .

It is a cyclic number.

It is not a de Polignac number, because 43163551241 - 2¹⁴ = 43163534857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43163551201) 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, 2378060 + ... + 2396141.

It is an arithmetic number, because the mean of its divisors is an integer number (10792083621).

Almost surely, 2^43163551241 is an apocalyptic number.

It is an amenable number.

43163551241 is a deficient number, since it is larger than the sum of its proper divisors (4783243).

43163551241 is an equidigital number, since it uses as much as digits as its factorization.

43163551241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783242.

The product of its digits is 43200, while the sum is 35.

The spelling of 43163551241 in words is "forty-three billion, one hundred sixty-three million, five hundred fifty-one thousand, two hundred forty-one".