643062042601 has 32 divisors (see below), whose sum is σ = 712472112000. Its totient is φ = 575539937280.

The previous prime is 643062042577. The next prime is 643062042613. The reversal of 643062042601 is 106240260346.

It is not a de Polignac number, because 643062042601 - 2¹¹ = 643062040553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (643062040601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260664370 + ... + 260666836.

It is an arithmetic number, because the mean of its divisors is an integer number (22264753500).

Almost surely, 2^643062042601 is an apocalyptic number.

It is an amenable number.

643062042601 is a deficient number, since it is larger than the sum of its proper divisors (69410069399).

643062042601 is a wasteful number, since it uses less digits than its factorization.

643062042601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 643062042601 in words is "six hundred forty-three billion, sixty-two million, forty-two thousand, six hundred one".