6779396420973 has 12 divisors (see below), whose sum is σ = 10682685269568. Its totient is φ = 4108725103560.

The previous prime is 6779396420963. The next prime is 6779396421001. The reversal of 6779396420973 is 3790246939776.

6779396420973 is a `hidden beast` number, since 67 + 79 + 3 + 9 + 6 + 420 + 9 + 73 = 666.

It is not a de Polignac number, because 6779396420973 - 2⁴ = 6779396420957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779396420963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34239375765 + ... + 34239375962.

It is an arithmetic number, because the mean of its divisors is an integer number (890223772464).

Almost surely, 2^{6779396420973} is an apocalyptic number.

It is an amenable number.

6779396420973 is a deficient number, since it is larger than the sum of its proper divisors (3903288848595).

6779396420973 is a wasteful number, since it uses less digits than its factorization.

6779396420973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68478751744 (or 68478751741 counting only the distinct ones).

The product of its (nonzero) digits is 648121824, while the sum is 72.

The spelling of 6779396420973 in words is "six trillion, seven hundred seventy-nine billion, three hundred ninety-six million, four hundred twenty thousand, nine hundred seventy-three".