765079442107213 has 2 divisors, whose sum is σ = 765079442107214. Its totient is φ = 765079442107212.

The previous prime is 765079442107199. The next prime is 765079442107237. The reversal of 765079442107213 is 312701244970567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763730643248329 + 1348798858884 = 27635677^2 + 1161378^2 .

It is a cyclic number.

It is not a de Polignac number, because 765079442107213 - 2¹⁷ = 765079441976141 is a prime.

It is a super-3 number, since 3×765079442107213³ (a number of 46 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (765079442107283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382539721053606 + 382539721053607.

It is an arithmetic number, because the mean of its divisors is an integer number (382539721053607).

Almost surely, 2^{765079442107213} is an apocalyptic number.

It is an amenable number.

765079442107213 is a deficient number, since it is larger than the sum of its proper divisors (1).

765079442107213 is an equidigital number, since it uses as much as digits as its factorization.

765079442107213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 765079442107213 in words is "seven hundred sixty-five trillion, seventy-nine billion, four hundred forty-two million, one hundred seven thousand, two hundred thirteen".