2159852389 has 2 divisors, whose sum is σ = 2159852390. Its totient is φ = 2159852388.

The previous prime is 2159852381. The next prime is 2159852411. The reversal of 2159852389 is 9832589512.

2159852389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1963376100 + 196476289 = 44310^2 + 14017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159852389 - 2³ = 2159852381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159852381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079926194 + 1079926195.

It is an arithmetic number, because the mean of its divisors is an integer number (1079926195).

Almost surely, 2^2159852389 is an apocalyptic number.

It is an amenable number.

2159852389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159852389 is an equidigital number, since it uses as much as digits as its factorization.

2159852389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 52.

The square root of 2159852389 is about 46474.2120858439. The cubic root of 2159852389 is about 1292.6313672132.

The spelling of 2159852389 in words is "two billion, one hundred fifty-nine million, eight hundred fifty-two thousand, three hundred eighty-nine".