2128200473519 has 16 divisors (see below), whose sum is σ = 2164893492960. Its totient is φ = 2091822627840.

The previous prime is 2128200473491. The next prime is 2128200473537. The reversal of 2128200473519 is 9153740028212.

It is a cyclic number.

It is not a de Polignac number, because 2128200473519 - 2³² = 2123905506223 is a prime.

It is a super-2 number, since 2×2128200473519² (a number of 25 digits) contains 22 as substring.

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 2128200473519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128200473419) 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 15 ways as a sum of consecutive naturals, for example, 11987669 + ... + 12163905.

It is an arithmetic number, because the mean of its divisors is an integer number (135305843310).

Almost surely, 2^{2128200473519} is an apocalyptic number.

2128200473519 is a deficient number, since it is larger than the sum of its proper divisors (36693019441).

2128200473519 is a wasteful number, since it uses less digits than its factorization.

2128200473519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177130.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 2128200473519 in words is "two trillion, one hundred twenty-eight billion, two hundred million, four hundred seventy-three thousand, five hundred nineteen".