768003563309 has 4 divisors (see below), whose sum is σ = 784344064704. Its totient is φ = 751663061916.

The previous prime is 768003563293. The next prime is 768003563329. The reversal of 768003563309 is 903365300867.

768003563309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 768003563309 - 2⁴ = 768003563293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768003563329) 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, 8170250627 + ... + 8170250720.

It is an arithmetic number, because the mean of its divisors is an integer number (196086016176).

Almost surely, 2^768003563309 is an apocalyptic number.

It is an amenable number.

768003563309 is a deficient number, since it is larger than the sum of its proper divisors (16340501395).

768003563309 is a wasteful number, since it uses less digits than its factorization.

768003563309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16340501394.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 768003563309 in words is "seven hundred sixty-eight billion, three million, five hundred sixty-three thousand, three hundred nine".