10816644013873 has 4 divisors (see below), whose sum is σ = 10833786081088. Its totient is φ = 10799501946660.

The previous prime is 10816644013871. The next prime is 10816644013883. The reversal of 10816644013873 is 37831044661801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10816644013873 - 2¹ = 10816644013871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10816644013873.

It is not an unprimeable number, because it can be changed into a prime (10816644013871) 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, 8571032661 + ... + 8571033922.

It is an arithmetic number, because the mean of its divisors is an integer number (2708446520272).

Almost surely, 2^{10816644013873} is an apocalyptic number.

It is an amenable number.

10816644013873 is a deficient number, since it is larger than the sum of its proper divisors (17142067215).

10816644013873 is an equidigital number, since it uses as much as digits as its factorization.

10816644013873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142067214.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 10816644013873 in words is "ten trillion, eight hundred sixteen billion, six hundred forty-four million, thirteen thousand, eight hundred seventy-three".