2152589688 has 64 divisors (see below), whose sum is σ = 6239404800. Its totient is φ = 686331360.

The previous prime is 2152589683. The next prime is 2152589767. The reversal of 2152589688 is 8869852512.

It is a happy number.

2152589688 is a `hidden beast` number, since 2 + 1 + 52 + 589 + 6 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152589683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211678 + ... + 221613.

It is an arithmetic number, because the mean of its divisors is an integer number (97490700).

Almost surely, 2^2152589688 is an apocalyptic number.

It is an amenable number.

2152589688 is an abundant number, since it is smaller than the sum of its proper divisors (4086815112).

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

2152589688 is a wasteful number, since it uses less digits than its factorization.

2152589688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433329 (or 433319 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 2152589688 is about 46396.0093973609. The cubic root of 2152589688 is about 1291.1808765012.

The spelling of 2152589688 in words is "two billion, one hundred fifty-two million, five hundred eighty-nine thousand, six hundred eighty-eight".