791168064309 has 48 divisors (see below), whose sum is σ = 1355182786048. Its totient is φ = 435342283776.

The previous prime is 791168064307. The next prime is 791168064343. The reversal of 791168064309 is 903460861197.

791168064309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 791168064309 - 2¹ = 791168064307 is a prime.

It is a super-3 number, since 3×791168064309³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791168064307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1523437 + ... + 1975650.

Almost surely, 2^791168064309 is an apocalyptic number.

It is an amenable number.

791168064309 is a deficient number, since it is larger than the sum of its proper divisors (564014721739).

791168064309 is a wasteful number, since it uses less digits than its factorization.

791168064309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499234 (or 3499231 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 791168064309 in words is "seven hundred ninety-one billion, one hundred sixty-eight million, sixty-four thousand, three hundred nine".