2164738033 has 4 divisors (see below), whose sum is σ = 2172387568. Its totient is φ = 2157088500.

The previous prime is 2164738019. The next prime is 2164738097. The reversal of 2164738033 is 3308374612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2164738033 - 2⁹ = 2164737521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2164737983 and 2164738001.

It is not an unprimeable number, because it can be changed into a prime (2164738003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824343 + ... + 3824908.

It is an arithmetic number, because the mean of its divisors is an integer number (543096892).

Almost surely, 2^2164738033 is an apocalyptic number.

It is an amenable number.

2164738033 is a deficient number, since it is larger than the sum of its proper divisors (7649535).

2164738033 is an equidigital number, since it uses as much as digits as its factorization.

2164738033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649534.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2164738033 is about 46526.7453514642. The cubic root of 2164738033 is about 1293.6052888371.

The spelling of 2164738033 in words is "two billion, one hundred sixty-four million, seven hundred thirty-eight thousand, thirty-three".