641014356 has 12 divisors (see below), whose sum is σ = 1495700192. Its totient is φ = 213671448.

The previous prime is 641014351. The next prime is 641014379. The reversal of 641014356 is 653410146.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641014351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26708920 + ... + 26708943.

Almost surely, 2^641014356 is an apocalyptic number.

It is an amenable number.

641014356 is an abundant number, since it is smaller than the sum of its proper divisors (854685836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641014356 is a wasteful number, since it uses less digits than its factorization.

641014356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53417870 (or 53417868 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 641014356 is about 25318.2613147112. The cubic root of 641014356 is about 862.2289198085.

The spelling of 641014356 in words is "six hundred forty-one million, fourteen thousand, three hundred fifty-six".