641332315515233 has 2 divisors, whose sum is σ = 641332315515234. Its totient is φ = 641332315515232.

The previous prime is 641332315515209. The next prime is 641332315515251. The reversal of 641332315515233 is 332515513233146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482808905705569 + 158523409809664 = 21972913^2 + 12590608^2 .

It is a cyclic number.

It is not a de Polignac number, because 641332315515233 - 2³⁴ = 641315135646049 is a prime.

It is a super-2 number, since 2×641332315515233² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (641332315518233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320666157757616 + 320666157757617.

It is an arithmetic number, because the mean of its divisors is an integer number (320666157757617).

Almost surely, 2^{641332315515233} is an apocalyptic number.

It is an amenable number.

641332315515233 is a deficient number, since it is larger than the sum of its proper divisors (1).

641332315515233 is an equidigital number, since it uses as much as digits as its factorization.

641332315515233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916000, while the sum is 47.

Adding to 641332315515233 its reverse (332515513233146), we get a palindrome (973847828748379).

The spelling of 641332315515233 in words is "six hundred forty-one trillion, three hundred thirty-two billion, three hundred fifteen million, five hundred fifteen thousand, two hundred thirty-three".