643062010201 has 8 divisors (see below), whose sum is σ = 694384968200. Its totient is φ = 592004287872.

The previous prime is 643062010153. The next prime is 643062010223. The reversal of 643062010201 is 102010260346.

It can be written as a sum of positive squares in 4 ways, for example, as 34819560000 + 608242450201 = 186600^2 + 779899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 643062010201 - 2¹¹ = 643062008153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (643062050201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66303876 + ... + 66313573.

It is an arithmetic number, because the mean of its divisors is an integer number (86798121025).

Almost surely, 2^643062010201 is an apocalyptic number.

It is an amenable number.

643062010201 is a deficient number, since it is larger than the sum of its proper divisors (51322957999).

643062010201 is a wasteful number, since it uses less digits than its factorization.

643062010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132617835.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 643062010201 its reverse (102010260346), we get a palindrome (745072270547).

The spelling of 643062010201 in words is "six hundred forty-three billion, sixty-two million, ten thousand, two hundred one".