2159539229 has 2 divisors, whose sum is σ = 2159539230. Its totient is φ = 2159539228.

The previous prime is 2159539199. The next prime is 2159539237. The reversal of 2159539229 is 9229359512.

2159539229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161105625 + 998433604 = 34075^2 + 31598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159539229 - 2⁸ = 2159538973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159539279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079769614 + 1079769615.

It is an arithmetic number, because the mean of its divisors is an integer number (1079769615).

Almost surely, 2^2159539229 is an apocalyptic number.

It is an amenable number.

2159539229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159539229 is an equidigital number, since it uses as much as digits as its factorization.

2159539229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 47.

The square root of 2159539229 is about 46470.8427834056. The cubic root of 2159539229 is about 1292.5688907207.

The spelling of 2159539229 in words is "two billion, one hundred fifty-nine million, five hundred thirty-nine thousand, two hundred twenty-nine".