6371940556799 has 4 divisors (see below), whose sum is σ = 6372149304960. Its totient is φ = 6371731808640.

The previous prime is 6371940556777. The next prime is 6371940556823. The reversal of 6371940556799 is 9976550491736.

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 6371940556799 - 2⁸ = 6371940556543 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 (6371940556739) 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, 104328287 + ... + 104389344.

It is an arithmetic number, because the mean of its divisors is an integer number (1593037326240).

Almost surely, 2^{6371940556799} is an apocalyptic number.

6371940556799 is a deficient number, since it is larger than the sum of its proper divisors (208748161).

6371940556799 is a wasteful number, since it uses less digits than its factorization.

6371940556799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208748160.

The product of its (nonzero) digits is 385786800, while the sum is 71.

The spelling of 6371940556799 in words is "six trillion, three hundred seventy-one billion, nine hundred forty million, five hundred fifty-six thousand, seven hundred ninety-nine".