768790436633 has 4 divisors (see below), whose sum is σ = 789568556580. Its totient is φ = 748012316688.

The previous prime is 768790436629. The next prime is 768790436647. The reversal of 768790436633 is 336634097867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 336634097867 = 479 ⋅702785173.

It can be written as a sum of positive squares in 2 ways, for example, as 430267778704 + 338522657929 = 655948^2 + 581827^2 .

It is a cyclic number.

It is not a de Polignac number, because 768790436633 - 2² = 768790436629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (768790436033) 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, 10389059918 + ... + 10389059991.

It is an arithmetic number, because the mean of its divisors is an integer number (197392139145).

Almost surely, 2^768790436633 is an apocalyptic number.

It is an amenable number.

768790436633 is a deficient number, since it is larger than the sum of its proper divisors (20778119947).

768790436633 is a wasteful number, since it uses less digits than its factorization.

768790436633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20778119946.

The product of its (nonzero) digits is 82301184, while the sum is 62.

The spelling of 768790436633 in words is "seven hundred sixty-eight billion, seven hundred ninety million, four hundred thirty-six thousand, six hundred thirty-three".