4031064643 has 4 divisors (see below), whose sum is σ = 4243225960. Its totient is φ = 3818903328.

The previous prime is 4031064637. The next prime is 4031064677. The reversal of 4031064643 is 3464601304.

It is a happy number.

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

It is not a de Polignac number, because 4031064643 - 2²⁵ = 3997510211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4031064623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106080630 + ... + 106080667.

It is an arithmetic number, because the mean of its divisors is an integer number (1060806490).

Almost surely, 2^4031064643 is an apocalyptic number.

4031064643 is a deficient number, since it is larger than the sum of its proper divisors (212161317).

4031064643 is a wasteful number, since it uses less digits than its factorization.

4031064643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212161316.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 4031064643 is about 63490.6657942725. The cubic root of 4031064643 is about 1591.4997969531.

Adding to 4031064643 its reverse (3464601304), we get a palindrome (7495665947).

The spelling of 4031064643 in words is "four billion, thirty-one million, sixty-four thousand, six hundred forty-three".