2128983554 has 16 divisors (see below), whose sum is σ = 3477470400. Its totient is φ = 973690704.

The previous prime is 2128983533. The next prime is 2128983557. The reversal of 2128983554 is 4553898212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2128983499 and 2128983508.

It is not an unprimeable number, because it can be changed into a prime (2128983557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964862 + ... + 967065.

It is an arithmetic number, because the mean of its divisors is an integer number (217341900).

Almost surely, 2^2128983554 is an apocalyptic number.

2128983554 is a deficient number, since it is larger than the sum of its proper divisors (1348486846).

2128983554 is a wasteful number, since it uses less digits than its factorization.

2128983554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931977.

The product of its digits is 691200, while the sum is 47.

The square root of 2128983554 is about 46140.9097656299. The cubic root of 2128983554 is about 1286.4436537815.

The spelling of 2128983554 in words is "two billion, one hundred twenty-eight million, nine hundred eighty-three thousand, five hundred fifty-four".