2128469937 has 8 divisors (see below), whose sum is σ = 3095956320. Its totient is φ = 1289981760.

The previous prime is 2128469929. The next prime is 2128469953. The reversal of 2128469937 is 7399648212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2128469937 - 2³ = 2128469929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2128469937.

It is not an unprimeable number, because it can be changed into a prime (2128469957) 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 7 ways as a sum of consecutive naturals, for example, 32249512 + ... + 32249577.

It is an arithmetic number, because the mean of its divisors is an integer number (386994540).

Almost surely, 2^2128469937 is an apocalyptic number.

It is an amenable number.

2128469937 is a deficient number, since it is larger than the sum of its proper divisors (967486383).

2128469937 is a wasteful number, since it uses less digits than its factorization.

2128469937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64499103.

The product of its digits is 1306368, while the sum is 51.

The square root of 2128469937 is about 46135.3436857254. The cubic root of 2128469937 is about 1286.3401940075.

The spelling of 2128469937 in words is "two billion, one hundred twenty-eight million, four hundred sixty-nine thousand, nine hundred thirty-seven".