2152091289 has 8 divisors (see below), whose sum is σ = 2901696480. Its totient is φ = 1418606816.

The previous prime is 2152091281. The next prime is 2152091311. The reversal of 2152091289 is 9821902512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152091289 - 2³ = 2152091281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152091281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4029867 + ... + 4030400.

It is an arithmetic number, because the mean of its divisors is an integer number (362712060).

Almost surely, 2^2152091289 is an apocalyptic number.

It is an amenable number.

2152091289 is a deficient number, since it is larger than the sum of its proper divisors (749605191).

2152091289 is an equidigital number, since it uses as much as digits as its factorization.

2152091289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060359.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 2152091289 is about 46390.6379456028. The cubic root of 2152091289 is about 1291.0812177919.

The spelling of 2152091289 in words is "two billion, one hundred fifty-two million, ninety-one thousand, two hundred eighty-nine".