43137847841 has 16 divisors (see below), whose sum is σ = 47282749440. Its totient is φ = 39030601680.

The previous prime is 43137847829. The next prime is 43137847847. The reversal of 43137847841 is 14874873134.

It is a cyclic number.

It is not a de Polignac number, because 43137847841 - 2³⁰ = 42064106017 is a prime.

It is a super-2 number, since 2×43137847841² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43137847841.

It is not an unprimeable number, because it can be changed into a prime (43137847847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019680 + ... + 2040926.

It is an arithmetic number, because the mean of its divisors is an integer number (2955171840).

Almost surely, 2^43137847841 is an apocalyptic number.

It is an amenable number.

43137847841 is a deficient number, since it is larger than the sum of its proper divisors (4144901599).

43137847841 is a wasteful number, since it uses less digits than its factorization.

43137847841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22124.

The product of its digits is 1806336, while the sum is 50.

The spelling of 43137847841 in words is "forty-three billion, one hundred thirty-seven million, eight hundred forty-seven thousand, eight hundred forty-one".