2128608902 has 12 divisors (see below), whose sum is σ = 3714205500. Its totient is φ = 912260916.

The previous prime is 2128608901. The next prime is 2128608917. The reversal of 2128608902 is 2098068212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128608901) 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 5 ways as a sum of consecutive naturals, for example, 10860152 + ... + 10860347.

It is an arithmetic number, because the mean of its divisors is an integer number (309517125).

Almost surely, 2^2128608902 is an apocalyptic number.

2128608902 is a deficient number, since it is larger than the sum of its proper divisors (1585596598).

2128608902 is a wasteful number, since it uses less digits than its factorization.

2128608902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21720515 (or 21720508 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2128608902 is about 46136.8497190695. The cubic root of 2128608902 is about 1286.3681878843.

The spelling of 2128608902 in words is "two billion, one hundred twenty-eight million, six hundred eight thousand, nine hundred two".