641342306333 has 4 divisors (see below), whose sum is σ = 641714964828. Its totient is φ = 640969647840.

The previous prime is 641342306291. The next prime is 641342306441. The reversal of 641342306333 is 333603243146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196317227929 + 445025078404 = 443077^2 + 667102^2 .

It is a cyclic number.

It is not a de Polignac number, because 641342306333 - 2²⁶ = 641275197469 is a prime.

It is a super-2 number, since 2×641342306333² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641342306533) 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, 186326666 + ... + 186330107.

It is an arithmetic number, because the mean of its divisors is an integer number (160428741207).

Almost surely, 2^641342306333 is an apocalyptic number.

It is an amenable number.

641342306333 is a deficient number, since it is larger than the sum of its proper divisors (372658495).

641342306333 is a wasteful number, since it uses less digits than its factorization.

641342306333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372658494.

The product of its (nonzero) digits is 279936, while the sum is 38.

Adding to 641342306333 its reverse (333603243146), we get a palindrome (974945549479).

The spelling of 641342306333 in words is "six hundred forty-one billion, three hundred forty-two million, three hundred six thousand, three hundred thirty-three".