2128432844318 has 16 divisors (see below), whose sum is σ = 3517374173040. Its totient is φ = 957890568000.

The previous prime is 2128432844311. The next prime is 2128432844359. The reversal of 2128432844318 is 8134482348212.

It is a super-2 number, since 2×2128432844318² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128432844311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478943063 + ... + 478947506.

It is an arithmetic number, because the mean of its divisors is an integer number (219835885815).

Almost surely, 2^{2128432844318} is an apocalyptic number.

2128432844318 is a deficient number, since it is larger than the sum of its proper divisors (1388941328722).

2128432844318 is a wasteful number, since it uses less digits than its factorization.

2128432844318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957890683.

The product of its digits is 2359296, while the sum is 50.

The spelling of 2128432844318 in words is "two trillion, one hundred twenty-eight billion, four hundred thirty-two million, eight hundred forty-four thousand, three hundred eighteen".