641465644130 has 32 divisors (see below), whose sum is σ = 1199451110400. Its totient is φ = 246701866432.

The previous prime is 641465644117. The next prime is 641465644151. The reversal of 641465644130 is 31446564146.

It is a happy number.

It is a super-3 number, since 3×641465644130³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4558202 + ... + 4696821.

It is an arithmetic number, because the mean of its divisors is an integer number (37482847200).

Almost surely, 2^641465644130 is an apocalyptic number.

641465644130 is a deficient number, since it is larger than the sum of its proper divisors (557985466270).

641465644130 is a wasteful number, since it uses less digits than its factorization.

641465644130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255298.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 641465644130 in words is "six hundred forty-one billion, four hundred sixty-five million, six hundred forty-four thousand, one hundred thirty".