641332315518233 has 2 divisors, whose sum is σ = 641332315518234. Its totient is φ = 641332315518232.

The previous prime is 641332315518203. The next prime is 641332315518239. The reversal of 641332315518233 is 332815513233146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428602739614729 + 212729575903504 = 20702723^2 + 14585252^2 .

It is a cyclic number.

It is not a de Polignac number, because 641332315518233 - 2¹⁴ = 641332315501849 is a prime.

It is a super-2 number, since 2×641332315518233² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (641332315518239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320666157759116 + 320666157759117.

It is an arithmetic number, because the mean of its divisors is an integer number (320666157759117).

Almost surely, 2^{641332315518233} is an apocalyptic number.

It is an amenable number.

641332315518233 is a deficient number, since it is larger than the sum of its proper divisors (1).

641332315518233 is an equidigital number, since it uses as much as digits as its factorization.

641332315518233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 50.

The spelling of 641332315518233 in words is "six hundred forty-one trillion, three hundred thirty-two billion, three hundred fifteen million, five hundred eighteen thousand, two hundred thirty-three".