2089858429 has 2 divisors, whose sum is σ = 2089858430. Its totient is φ = 2089858428.

The previous prime is 2089858427. The next prime is 2089858447. The reversal of 2089858429 is 9248589802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354092804 + 735765625 = 36798^2 + 27125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089858429 - 2¹ = 2089858427 is a prime.

Together with 2089858427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2089858429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089858427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044929214 + 1044929215.

It is an arithmetic number, because the mean of its divisors is an integer number (1044929215).

Almost surely, 2^2089858429 is an apocalyptic number.

It is an amenable number.

2089858429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089858429 is an equidigital number, since it uses as much as digits as its factorization.

2089858429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The square root of 2089858429 is about 45714.9694192176. The cubic root of 2089858429 is about 1278.5143956137.

The spelling of 2089858429 in words is "two billion, eighty-nine million, eight hundred fifty-eight thousand, four hundred twenty-nine".