2133975375 has 80 divisors (see below), whose sum is σ = 4546850880. Its totient is φ = 975499200.

The previous prime is 2133975343. The next prime is 2133975377. The reversal of 2133975375 is 5735793312.

2133975375 is a `hidden beast` number, since 21 + 3 + 3 + 97 + 537 + 5 = 666.

It is not a de Polignac number, because 2133975375 - 2⁵ = 2133975343 is a prime.

It is a super-2 number, since 2×2133975375² = 9107701802212781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2133975375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133975377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 55821 + ... + 85929.

It is an arithmetic number, because the mean of its divisors is an integer number (56835636).

Almost surely, 2^2133975375 is an apocalyptic number.

2133975375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2133975375 is an abundant number, since it is smaller than the sum of its proper divisors (2412875505).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133975375 is an equidigital number, since it uses as much as digits as its factorization.

2133975375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143 (or 30124 counting only the distinct ones).

The product of its digits is 595350, while the sum is 45.

The square root of 2133975375 is about 46194.9713172332. The cubic root of 2133975375 is about 1287.4483091071.

The spelling of 2133975375 in words is "two billion, one hundred thirty-three million, nine hundred seventy-five thousand, three hundred seventy-five".