2159229658 has 8 divisors (see below), whose sum is σ = 3317840820. Its totient is φ = 1053282720.

The previous prime is 2159229641. The next prime is 2159229661. The reversal of 2159229658 is 8569229512.

It can be written as a sum of positive squares in 2 ways, for example, as 2145264489 + 13965169 = 46317^2 + 3737^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13165953 + ... + 13166116.

Almost surely, 2^2159229658 is an apocalyptic number.

2159229658 is a deficient number, since it is larger than the sum of its proper divisors (1158611162).

2159229658 is a wasteful number, since it uses less digits than its factorization.

2159229658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26332112.

The product of its digits is 777600, while the sum is 49.

The square root of 2159229658 is about 46467.5118550585. The cubic root of 2159229658 is about 1292.5071243093.

The spelling of 2159229658 in words is "two billion, one hundred fifty-nine million, two hundred twenty-nine thousand, six hundred fifty-eight".