2146234564 has 12 divisors (see below), whose sum is σ = 3976846524. Its totient is φ = 1009992704.

The previous prime is 2146234561. The next prime is 2146234583. The reversal of 2146234564 is 4654326412.

It can be written as a sum of positive squares in 2 ways, for example, as 577440900 + 1568793664 = 24030^2 + 39608^2 .

It is not an unprimeable number, because it can be changed into a prime (2146234561) 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 3 ways as a sum of consecutive naturals, for example, 15781069 + ... + 15781204.

It is an arithmetic number, because the mean of its divisors is an integer number (331403877).

Almost surely, 2^2146234564 is an apocalyptic number.

It is an amenable number.

2146234564 is a deficient number, since it is larger than the sum of its proper divisors (1830611960).

2146234564 is a wasteful number, since it uses less digits than its factorization.

2146234564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31562294 (or 31562292 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 2146234564 is about 46327.4709432751. The cubic root of 2146234564 is about 1289.9089661938.

The spelling of 2146234564 in words is "two billion, one hundred forty-six million, two hundred thirty-four thousand, five hundred sixty-four".