641597027293 has 2 divisors, whose sum is σ = 641597027294. Its totient is φ = 641597027292.

The previous prime is 641597027273. The next prime is 641597027311. The reversal of 641597027293 is 392720795146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613869116004 + 27727911289 = 783498^2 + 166517^2 .

It is a cyclic number.

It is not a de Polignac number, because 641597027293 - 2⁹ = 641597026781 is a prime.

It is a super-3 number, since 3×641597027293³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641597027273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320798513646 + 320798513647.

It is an arithmetic number, because the mean of its divisors is an integer number (320798513647).

Almost surely, 2^641597027293 is an apocalyptic number.

It is an amenable number.

641597027293 is a deficient number, since it is larger than the sum of its proper divisors (1).

641597027293 is an equidigital number, since it uses as much as digits as its factorization.

641597027293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 641597027293 in words is "six hundred forty-one billion, five hundred ninety-seven million, twenty-seven thousand, two hundred ninety-three".