2164051014365 has 4 divisors (see below), whose sum is σ = 2596861217244. Its totient is φ = 1731240811488.

The previous prime is 2164051014317. The next prime is 2164051014403. The reversal of 2164051014365 is 5634101504612.

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 219258999001 + 1944792015364 = 468251^2 + 1394558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164051014365 - 2¹² = 2164051010269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216405101432 + ... + 216405101441.

It is an arithmetic number, because the mean of its divisors is an integer number (649215304311).

Almost surely, 2^{2164051014365} is an apocalyptic number.

It is an amenable number.

2164051014365 is a deficient number, since it is larger than the sum of its proper divisors (432810202879).

2164051014365 is an equidigital number, since it uses as much as digits as its factorization.

2164051014365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432810202878.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 2164051014365 its reverse (5634101504612), we get a palindrome (7798152518977).

The spelling of 2164051014365 in words is "two trillion, one hundred sixty-four billion, fifty-one million, fourteen thousand, three hundred sixty-five".