2029085639 has 24 divisors (see below), whose sum is σ = 2525396400. Its totient is φ = 1620622080.

The previous prime is 2029085633. The next prime is 2029085647. The reversal of 2029085639 is 9365809202.

It is not a de Polignac number, because 2029085639 - 2²⁸ = 1760650183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2029085639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029085633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38927 + ... + 74655.

It is an arithmetic number, because the mean of its divisors is an integer number (105224850).

Almost surely, 2^2029085639 is an apocalyptic number.

2029085639 is a deficient number, since it is larger than the sum of its proper divisors (496310761).

2029085639 is a wasteful number, since it uses less digits than its factorization.

2029085639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35823 (or 35816 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2029085639 is about 45045.3731142278. The cubic root of 2029085639 is about 1265.9992810297. Note that the first 3 decimals are identical.

The spelling of 2029085639 in words is "two billion, twenty-nine million, eighty-five thousand, six hundred thirty-nine".