641883420273 has 16 divisors (see below), whose sum is σ = 883905984000. Its totient is φ = 413905741440.

The previous prime is 641883420253. The next prime is 641883420341. The reversal of 641883420273 is 372024388146.

It is not a de Polignac number, because 641883420273 - 2⁹ = 641883419761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641883420253) 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 15 ways as a sum of consecutive naturals, for example, 1589388 + ... + 1951901.

It is an arithmetic number, because the mean of its divisors is an integer number (55244124000).

Almost surely, 2^641883420273 is an apocalyptic number.

It is an amenable number.

641883420273 is a deficient number, since it is larger than the sum of its proper divisors (242022563727).

641883420273 is a wasteful number, since it uses less digits than its factorization.

641883420273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543272.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 641883420273 in words is "six hundred forty-one billion, eight hundred eighty-three million, four hundred twenty thousand, two hundred seventy-three".