2089239129 has 8 divisors (see below), whose sum is σ = 3095169120. Its totient is φ = 1392826068.

The previous prime is 2089239121. The next prime is 2089239143. The reversal of 2089239129 is 9219329802.

It is a happy number.

It is not a de Polignac number, because 2089239129 - 2³ = 2089239121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2089239121) 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, 38689587 + ... + 38689640.

It is an arithmetic number, because the mean of its divisors is an integer number (386896140).

Almost surely, 2^2089239129 is an apocalyptic number.

It is an amenable number.

2089239129 is a deficient number, since it is larger than the sum of its proper divisors (1005929991).

2089239129 is an equidigital number, since it uses as much as digits as its factorization.

2089239129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77379236 (or 77379230 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 2089239129 is about 45708.1954248907. The cubic root of 2089239129 is about 1278.3880932482.

The spelling of 2089239129 in words is "two billion, eighty-nine million, two hundred thirty-nine thousand, one hundred twenty-nine".