6542301404165 has 4 divisors (see below), whose sum is σ = 7850761685004. Its totient is φ = 5233841123328.

The previous prime is 6542301404161. The next prime is 6542301404189. The reversal of 6542301404165 is 5614041032456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4723641479236 + 1818659924929 = 2173394^2 + 1348577^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542301404165 - 2² = 6542301404161 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 (6542301404161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654230140412 + ... + 654230140421.

It is an arithmetic number, because the mean of its divisors is an integer number (1962690421251).

Almost surely, 2^{6542301404165} is an apocalyptic number.

It is an amenable number.

6542301404165 is a deficient number, since it is larger than the sum of its proper divisors (1308460280839).

6542301404165 is a wasteful number, since it uses less digits than its factorization.

6542301404165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308460280838.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 6542301404165 in words is "six trillion, five hundred forty-two billion, three hundred one million, four hundred four thousand, one hundred sixty-five".