2152120659 has 16 divisors (see below), whose sum is σ = 3124951200. Its totient is φ = 1309499136.

The previous prime is 2152120643. The next prime is 2152120681. The reversal of 2152120659 is 9560212512.

It is not a de Polignac number, because 2152120659 - 2⁴ = 2152120643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152122659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306544 + ... + 313485.

It is an arithmetic number, because the mean of its divisors is an integer number (195309450).

Almost surely, 2^2152120659 is an apocalyptic number.

2152120659 is a deficient number, since it is larger than the sum of its proper divisors (972830541).

2152120659 is a wasteful number, since it uses less digits than its factorization.

2152120659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620134.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 2152120659 is about 46390.9544954617. The cubic root of 2152120659 is about 1291.0870909757.

The spelling of 2152120659 in words is "two billion, one hundred fifty-two million, one hundred twenty thousand, six hundred fifty-nine".