43057808705 has 16 divisors (see below), whose sum is σ = 52696766160. Its totient is φ = 33762613248.

The previous prime is 43057808699. The next prime is 43057808707. The reversal of 43057808705 is 50780875034.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 71250481 + 42986558224 = 8441^2 + 207332^2 .

It is a cyclic number.

It is not a de Polignac number, because 43057808705 - 2²⁶ = 42990699841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43057808705.

It is not an unprimeable number, because it can be changed into a prime (43057808707) 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, 186869 + ... + 347901.

It is an arithmetic number, because the mean of its divisors is an integer number (3293547885).

Almost surely, 2^43057808705 is an apocalyptic number.

It is an amenable number.

43057808705 is a deficient number, since it is larger than the sum of its proper divisors (9638957455).

43057808705 is a wasteful number, since it uses less digits than its factorization.

43057808705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162100.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 43057808705 in words is "forty-three billion, fifty-seven million, eight hundred eight thousand, seven hundred five".