6371940556823 has 2 divisors, whose sum is σ = 6371940556824. Its totient is φ = 6371940556822.

The previous prime is 6371940556777. The next prime is 6371940556829. The reversal of 6371940556823 is 3286550491736.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6371940556823 - 2⁸ = 6371940556567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6371940556829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3185970278411 + 3185970278412.

It is an arithmetic number, because the mean of its divisors is an integer number (3185970278412).

It is a 1-persistent number, because it is pandigital, but 2⋅6371940556823 = 12743881113646 is not.

Almost surely, 2^{6371940556823} is an apocalyptic number.

6371940556823 is a deficient number, since it is larger than the sum of its proper divisors (1).

6371940556823 is an equidigital number, since it uses as much as digits as its factorization.

6371940556823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 6371940556823 in words is "six trillion, three hundred seventy-one billion, nine hundred forty million, five hundred fifty-six thousand, eight hundred twenty-three".