2133954771 has 64 divisors (see below), whose sum is σ = 3344302080. Its totient is φ = 1199076480.

The previous prime is 2133954769. The next prime is 2133954773. The reversal of 2133954771 is 1774593312.

It is an interprime number because it is at equal distance from previous prime (2133954769) and next prime (2133954773).

It is not a de Polignac number, because 2133954771 - 2¹ = 2133954769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2133954773) 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 63 ways as a sum of consecutive naturals, for example, 2472286 + ... + 2473148.

It is an arithmetic number, because the mean of its divisors is an integer number (52254720).

Almost surely, 2^2133954771 is an apocalyptic number.

2133954771 is a deficient number, since it is larger than the sum of its proper divisors (1210347309).

2133954771 is a wasteful number, since it uses less digits than its factorization.

2133954771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its digits is 158760, while the sum is 42.

The square root of 2133954771 is about 46194.7483054081. The cubic root of 2133954771 is about 1287.4441655618. Note that the first 3 decimals are identical.

The spelling of 2133954771 in words is "two billion, one hundred thirty-three million, nine hundred fifty-four thousand, seven hundred seventy-one".