4064623543 has 4 divisors (see below), whose sum is σ = 4064835568. Its totient is φ = 4064411520.

The previous prime is 4064623529. The next prime is 4064623561. The reversal of 4064623543 is 3453264604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4064623543 - 2¹³ = 4064615351 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 (4064623523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74043 + ... + 116668.

It is an arithmetic number, because the mean of its divisors is an integer number (1016208892).

Almost surely, 2^4064623543 is an apocalyptic number.

4064623543 is a deficient number, since it is larger than the sum of its proper divisors (212025).

4064623543 is a wasteful number, since it uses less digits than its factorization.

4064623543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212024.

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 4064623543 is about 63754.4001853990. The cubic root of 4064623543 is about 1595.9040472576.

The spelling of 4064623543 in words is "four billion, sixty-four million, six hundred twenty-three thousand, five hundred forty-three".