2128775037 has 16 divisors (see below), whose sum is σ = 3047663232. Its totient is φ = 1316887040.

The previous prime is 2128775027. The next prime is 2128775087. The reversal of 2128775037 is 7305778212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2128775037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2128775037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128775027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290328 + ... + 297569.

It is an arithmetic number, because the mean of its divisors is an integer number (190478952).

Almost surely, 2^2128775037 is an apocalyptic number.

It is an amenable number.

2128775037 is a deficient number, since it is larger than the sum of its proper divisors (918888195).

2128775037 is a wasteful number, since it uses less digits than its factorization.

2128775037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587988.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 2128775037 is about 46138.6501428033. The cubic root of 2128775037 is about 1286.4016534368.

The spelling of 2128775037 in words is "two billion, one hundred twenty-eight million, seven hundred seventy-five thousand, thirty-seven".