2069237889 has 6 divisors (see below), whose sum is σ = 2988899186. Its totient is φ = 1379491920.

The previous prime is 2069237887. The next prime is 2069237903. The reversal of 2069237889 is 9887329602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1598000625 + 471237264 = 39975^2 + 21708^2 .

It is not a de Polignac number, because 2069237889 - 2¹ = 2069237887 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2069237887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114957652 + ... + 114957669.

Almost surely, 2^2069237889 is an apocalyptic number.

It is an amenable number.

2069237889 is a deficient number, since it is larger than the sum of its proper divisors (919661297).

2069237889 is a wasteful number, since it uses less digits than its factorization.

2069237889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229915327 (or 229915324 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 2069237889 is about 45488.8765414139. The cubic root of 2069237889 is about 1274.2954742096.

The spelling of 2069237889 in words is "two billion, sixty-nine million, two hundred thirty-seven thousand, eight hundred eighty-nine".