641312522530433 has 8 divisors (see below), whose sum is σ = 690714952708200. Its totient is φ = 591920192020608.

The previous prime is 641312522530409. The next prime is 641312522530469. The reversal of 641312522530433 is 334035225213146.

It can be written as a sum of positive squares in 4 ways, for example, as 47266615005184 + 594045907525249 = 6875072^2 + 24373057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641312522530433 - 2⁴² = 636914476019329 is a prime.

It is a super-2 number, since 2×641312522530433² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641312522533433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524785098 + ... + 2525039091.

It is an arithmetic number, because the mean of its divisors is an integer number (86339369088525).

Almost surely, 2^{641312522530433} is an apocalyptic number.

It is an amenable number.

641312522530433 is a deficient number, since it is larger than the sum of its proper divisors (49402430177767).

641312522530433 is a wasteful number, since it uses less digits than its factorization.

641312522530433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049833971.

The product of its (nonzero) digits is 1555200, while the sum is 44.

Adding to 641312522530433 its reverse (334035225213146), we get a palindrome (975347747743579).

The spelling of 641312522530433 in words is "six hundred forty-one trillion, three hundred twelve billion, five hundred twenty-two million, five hundred thirty thousand, four hundred thirty-three".