641305544332 has 12 divisors (see below), whose sum is σ = 1126115027856. Its totient is φ = 319558393520.

The previous prime is 641305544293. The next prime is 641305544339. The reversal of 641305544332 is 233445503146.

It is a super-3 number, since 3×641305544332³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (641305544339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273593344 + ... + 273595687.

It is an arithmetic number, because the mean of its divisors is an integer number (93842918988).

Almost surely, 2^641305544332 is an apocalyptic number.

It is an amenable number.

641305544332 is a deficient number, since it is larger than the sum of its proper divisors (484809483524).

641305544332 is a wasteful number, since it uses less digits than its factorization.

641305544332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547189328 (or 547189326 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 641305544332 in words is "six hundred forty-one billion, three hundred five million, five hundred forty-four thousand, three hundred thirty-two".