2169139259 has 8 divisors (see below), whose sum is σ = 2624840928. Its totient is φ = 1749893760.

The previous prime is 2169139229. The next prime is 2169139277. The reversal of 2169139259 is 9529319612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2169139259 - 2¹⁶ = 2169073723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2169139229) 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 7 ways as a sum of consecutive naturals, for example, 9113912 + ... + 9114149.

It is an arithmetic number, because the mean of its divisors is an integer number (328105116).

Almost surely, 2^2169139259 is an apocalyptic number.

2169139259 is a deficient number, since it is larger than the sum of its proper divisors (455701669).

2169139259 is a wasteful number, since it uses less digits than its factorization.

2169139259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18228085.

The product of its digits is 262440, while the sum is 47.

The square root of 2169139259 is about 46574.0191415772. The cubic root of 2169139259 is about 1294.4813910045.

The spelling of 2169139259 in words is "two billion, one hundred sixty-nine million, one hundred thirty-nine thousand, two hundred fifty-nine".