2128817106573 has 32 divisors (see below), whose sum is σ = 2938076666112. Its totient is φ = 1370113228800.

The previous prime is 2128817106541. The next prime is 2128817106587. The reversal of 2128817106573 is 3756017188212.

It is not a de Polignac number, because 2128817106573 - 2⁵ = 2128817106541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128817106593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131149368 + ... + 131165598.

It is an arithmetic number, because the mean of its divisors is an integer number (91814895816).

Almost surely, 2^{2128817106573} is an apocalyptic number.

It is an amenable number.

2128817106573 is a deficient number, since it is larger than the sum of its proper divisors (809259559539).

2128817106573 is a wasteful number, since it uses less digits than its factorization.

2128817106573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27365.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 2128817106573 in words is "two trillion, one hundred twenty-eight billion, eight hundred seventeen million, one hundred six thousand, five hundred seventy-three".