2009358829 has 2 divisors, whose sum is σ = 2009358830. Its totient is φ = 2009358828.

The previous prime is 2009358797. The next prime is 2009358947. The reversal of 2009358829 is 9288539002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1369370025 + 639988804 = 37005^2 + 25298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2009358829 - 2⁵ = 2009358797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009358229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004679414 + 1004679415.

It is an arithmetic number, because the mean of its divisors is an integer number (1004679415).

Almost surely, 2^2009358829 is an apocalyptic number.

It is an amenable number.

2009358829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009358829 is an equidigital number, since it uses as much as digits as its factorization.

2009358829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2009358829 is about 44825.8723172232. The cubic root of 2009358829 is about 1261.8832234056.

It can be divided in two parts, 200935 and 8829, that added together give a square (209764 = 458²).

The spelling of 2009358829 in words is "two billion, nine million, three hundred fifty-eight thousand, eight hundred twenty-nine".