4065745443 has 32 divisors (see below), whose sum is σ = 5804531712. Its totient is φ = 2525107200.

The previous prime is 4065745441. The next prime is 4065745469. The reversal of 4065745443 is 3445475604.

It is a happy number.

4065745443 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 4065745443 - 2¹ = 4065745441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4065745395 and 4065745404.

It is not an unprimeable number, because it can be changed into a prime (4065745441) 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, 2763198 + ... + 2764668.

It is an arithmetic number, because the mean of its divisors is an integer number (181391616).

Almost surely, 2^4065745443 is an apocalyptic number.

4065745443 is a deficient number, since it is larger than the sum of its proper divisors (1738786269).

4065745443 is a wasteful number, since it uses less digits than its factorization.

4065745443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 806400, while the sum is 42.

The square root of 4065745443 is about 63763.1981867284. The cubic root of 4065745443 is about 1596.0508652861.

The spelling of 4065745443 in words is "four billion, sixty-five million, seven hundred forty-five thousand, four hundred forty-three".