643062042602 has 16 divisors (see below), whose sum is σ = 1102409626752. Its totient is φ = 275593629840.

The previous prime is 643062042577. The next prime is 643062042613. The reversal of 643062042602 is 206240260346.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 640352 + ... + 1302372.

It is an arithmetic number, because the mean of its divisors is an integer number (68900601672).

Almost surely, 2^643062042602 is an apocalyptic number.

643062042602 is a deficient number, since it is larger than the sum of its proper divisors (459347584150).

643062042602 is a wasteful number, since it uses less digits than its factorization.

643062042602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731413.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 643062042602 in words is "six hundred forty-three billion, sixty-two million, forty-two thousand, six hundred two".