43181628341 has 4 divisors (see below), whose sum is σ = 43366957452. Its totient is φ = 42996299232.

The previous prime is 43181628331. The next prime is 43181628349. The reversal of 43181628341 is 14382618134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14382618134 = 2 ⋅7191309067.

It can be written as a sum of positive squares in 2 ways, for example, as 20371567441 + 22810060900 = 142729^2 + 151030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43181628341 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 (43181628349) 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, 92664206 + ... + 92664671.

It is an arithmetic number, because the mean of its divisors is an integer number (10841739363).

Almost surely, 2^43181628341 is an apocalyptic number.

It is an amenable number.

43181628341 is a deficient number, since it is larger than the sum of its proper divisors (185329111).

43181628341 is a wasteful number, since it uses less digits than its factorization.

43181628341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185329110.

The product of its digits is 110592, while the sum is 41.

The spelling of 43181628341 in words is "forty-three billion, one hundred eighty-one million, six hundred twenty-eight thousand, three hundred forty-one".