2159209829 has 8 divisors (see below), whose sum is σ = 2469134400. Its totient is φ = 1849651776.

The previous prime is 2159209813. The next prime is 2159209883. The reversal of 2159209829 is 9289029512.

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

It is not a de Polignac number, because 2159209829 - 2⁴ = 2159209813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159239829) 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, 78884 + ... + 102669.

It is an arithmetic number, because the mean of its divisors is an integer number (308641800).

Almost surely, 2^2159209829 is an apocalyptic number.

It is an amenable number.

2159209829 is a deficient number, since it is larger than the sum of its proper divisors (309924571).

2159209829 is a wasteful number, since it uses less digits than its factorization.

2159209829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183259.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 2159209829 is about 46467.2984904438. The cubic root of 2159209829 is about 1292.5031677744.

The spelling of 2159209829 in words is "two billion, one hundred fifty-nine million, two hundred nine thousand, eight hundred twenty-nine".