641035042201 has 4 divisors (see below), whose sum is σ = 641289322804. Its totient is φ = 640780761600.

The previous prime is 641035042171. The next prime is 641035042213. The reversal of 641035042201 is 102240530146.

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

It can be written as a sum of positive squares in 2 ways, for example, as 311816144025 + 329218898176 = 558405^2 + 573776^2 .

It is a cyclic number.

It is not a de Polignac number, because 641035042201 - 2¹⁹ = 641034517913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 641035042201.

It is not an unprimeable number, because it can be changed into a prime (641035042231) 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, 127136520 + ... + 127141561.

It is an arithmetic number, because the mean of its divisors is an integer number (160322330701).

Almost surely, 2^641035042201 is an apocalyptic number.

It is an amenable number.

641035042201 is a deficient number, since it is larger than the sum of its proper divisors (254280603).

641035042201 is a wasteful number, since it uses less digits than its factorization.

641035042201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254280602.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 641035042201 its reverse (102240530146), we get a palindrome (743275572347).

The spelling of 641035042201 in words is "six hundred forty-one billion, thirty-five million, forty-two thousand, two hundred one".