765350742244663 has 4 divisors (see below), whose sum is σ = 805632360257560. Its totient is φ = 725069124231768.

The previous prime is 765350742244643. The next prime is 765350742244717. The reversal of 765350742244663 is 366442247053567.

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

It is a cyclic number.

It is not a de Polignac number, because 765350742244663 - 2⁴⁹ = 202400788823351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 765350742244595 and 765350742244604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765350742244643) 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, 20140809006420 + ... + 20140809006457.

It is an arithmetic number, because the mean of its divisors is an integer number (201408090064390).

Almost surely, 2^{765350742244663} is an apocalyptic number.

765350742244663 is a deficient number, since it is larger than the sum of its proper divisors (40281618012897).

765350742244663 is a wasteful number, since it uses less digits than its factorization.

765350742244663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40281618012896.

The product of its (nonzero) digits is 609638400, while the sum is 64.

The spelling of 765350742244663 in words is "seven hundred sixty-five trillion, three hundred fifty billion, seven hundred forty-two million, two hundred forty-four thousand, six hundred sixty-three".