641224541133 has 144 divisors (see below), whose sum is σ = 1080632831040. Its totient is φ = 375467400000.

The previous prime is 641224541131. The next prime is 641224541141. The reversal of 641224541133 is 331145422146.

641224541133 is a `hidden beast` number, since 64 + 1 + 2 + 24 + 541 + 1 + 33 = 666.

It is not a de Polignac number, because 641224541133 - 2¹ = 641224541131 is a prime.

It is a super-2 number, since 2×641224541133² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641224541131) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 610108458 + ... + 610109508.

It is an arithmetic number, because the mean of its divisors is an integer number (7504394660).

Almost surely, 2^641224541133 is an apocalyptic number.

It is an amenable number.

641224541133 is a deficient number, since it is larger than the sum of its proper divisors (439408289907).

641224541133 is a wasteful number, since it uses less digits than its factorization.

641224541133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1209 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 641224541133 its reverse (331145422146), we get a palindrome (972369963279).

The spelling of 641224541133 in words is "six hundred forty-one billion, two hundred twenty-four million, five hundred forty-one thousand, one hundred thirty-three".