43681727355 has 32 divisors (see below), whose sum is σ = 81382247424. Its totient is φ = 19592017536.

The previous prime is 43681727321. The next prime is 43681727357. The reversal of 43681727355 is 55372718634.

43681727355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43681727355 - 2⁹ = 43681726843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43681727298 and 43681727307.

It is not an unprimeable number, because it can be changed into a prime (43681727357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3919119 + ... + 3930248.

It is an arithmetic number, because the mean of its divisors is an integer number (2543195232).

Almost surely, 2^43681727355 is an apocalyptic number.

43681727355 is a deficient number, since it is larger than the sum of its proper divisors (37700520069).

43681727355 is a wasteful number, since it uses less digits than its factorization.

43681727355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849435.

The product of its digits is 4233600, while the sum is 51.

The spelling of 43681727355 in words is "forty-three billion, six hundred eighty-one million, seven hundred twenty-seven thousand, three hundred fifty-five".