2128318179 has 32 divisors (see below), whose sum is σ = 3376525824. Its totient is φ = 1179087360.

The previous prime is 2128318169. The next prime is 2128318189. The reversal of 2128318179 is 9718138212.

It is an interprime number because it is at equal distance from previous prime (2128318169) and next prime (2128318189).

It is not a de Polignac number, because 2128318179 - 2⁵ = 2128318147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2128318179.

It is not an unprimeable number, because it can be changed into a prime (2128318109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54537 + ... + 85034.

It is an arithmetic number, because the mean of its divisors is an integer number (105516432).

Almost surely, 2^2128318179 is an apocalyptic number.

2128318179 is a deficient number, since it is larger than the sum of its proper divisors (1248207645).

2128318179 is a wasteful number, since it uses less digits than its factorization.

2128318179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139627.

The product of its digits is 48384, while the sum is 42.

The square root of 2128318179 is about 46133.6989520676. The cubic root of 2128318179 is about 1286.3096216464.

The spelling of 2128318179 in words is "two billion, one hundred twenty-eight million, three hundred eighteen thousand, one hundred seventy-nine".