6371940556801 has 8 divisors (see below), whose sum is σ = 6816314824200. Its totient is φ = 5935294537728.

The previous prime is 6371940556777. The next prime is 6371940556823. The reversal of 6371940556801 is 1086550491736.

It can be written as a sum of positive squares in 4 ways, for example, as 3802796405776 + 2569144151025 = 1950076^2 + 1602855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6371940556801 - 2³⁷ = 6234501603329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6371940556841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932060376 + ... + 1932063673.

It is an arithmetic number, because the mean of its divisors is an integer number (852039353025).

Almost surely, 2^{6371940556801} is an apocalyptic number.

It is an amenable number.

6371940556801 is a deficient number, since it is larger than the sum of its proper divisors (444374267399).

6371940556801 is a wasteful number, since it uses less digits than its factorization.

6371940556801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864124163.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 6371940556801 in words is "six trillion, three hundred seventy-one billion, nine hundred forty million, five hundred fifty-six thousand, eight hundred one".