2128654995 has 16 divisors (see below), whose sum is σ = 3406492320. Its totient is φ = 1135067904.

The previous prime is 2128654993. The next prime is 2128654999. The reversal of 2128654995 is 5994568212.

It is not a de Polignac number, because 2128654995 - 2¹ = 2128654993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2128654993) 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 15 ways as a sum of consecutive naturals, for example, 98751 + ... + 118359.

It is an arithmetic number, because the mean of its divisors is an integer number (212905770).

Almost surely, 2^2128654995 is an apocalyptic number.

2128654995 is a deficient number, since it is larger than the sum of its proper divisors (1277837325).

2128654995 is a wasteful number, since it uses less digits than its factorization.

2128654995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26854.

The product of its digits is 1555200, while the sum is 51.

The square root of 2128654995 is about 46137.3492411517. The cubic root of 2128654995 is about 1286.3774728435.

The spelling of 2128654995 in words is "two billion, one hundred twenty-eight million, six hundred fifty-four thousand, nine hundred ninety-five".