2146697288 has 12 divisors (see below), whose sum is σ = 4025303145. Its totient is φ = 1073283120.

The previous prime is 2146697281. The next prime is 2146697291. The reversal of 2146697288 is 8827966412.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1097066884 + 1049630404 = 33122^2 + 32398^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32762.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146697281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122858 + ... + 139238.

Almost surely, 2^2146697288 is an apocalyptic number.

It is an amenable number.

2146697288 is a deficient number, since it is larger than the sum of its proper divisors (1878605857).

2146697288 is an frugal number, since it uses more digits than its factorization.

2146697288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32768 (or 16383 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 2146697288 is about 46332.4647304673. The cubic root of 2146697288 is about 1290.0016601545.

The spelling of 2146697288 in words is "two billion, one hundred forty-six million, six hundred ninety-seven thousand, two hundred eighty-eight".