2152705849 has 8 divisors (see below), whose sum is σ = 2460767040. Its totient is φ = 1844777616.

The previous prime is 2152705837. The next prime is 2152705853. The reversal of 2152705849 is 9485072512.

2152705849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2152705849 - 2⁷ = 2152705721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152705829) 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, 4287 + ... + 65755.

It is an arithmetic number, because the mean of its divisors is an integer number (307595880).

Almost surely, 2^2152705849 is an apocalyptic number.

It is an amenable number.

2152705849 is a deficient number, since it is larger than the sum of its proper divisors (308061191).

2152705849 is an equidigital number, since it uses as much as digits as its factorization.

2152705849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66479.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2152705849 is about 46397.2612230507. The cubic root of 2152705849 is about 1291.2041015752.

The spelling of 2152705849 in words is "two billion, one hundred fifty-two million, seven hundred five thousand, eight hundred forty-nine".