2158324668209 has 8 divisors (see below), whose sum is σ = 2158855319040. Its totient is φ = 2157794100000.

The previous prime is 2158324668193. The next prime is 2158324668263. The reversal of 2158324668209 is 9028664238512.

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 2158324668209 - 2⁴ = 2158324668193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158324668109) 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, 103960172 + ... + 103980930.

It is an arithmetic number, because the mean of its divisors is an integer number (269856914880).

Almost surely, 2^{2158324668209} is an apocalyptic number.

It is an amenable number.

2158324668209 is a deficient number, since it is larger than the sum of its proper divisors (530650831).

2158324668209 is a wasteful number, since it uses less digits than its factorization.

2158324668209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41311.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 2158324668209 in words is "two trillion, one hundred fifty-eight billion, three hundred twenty-four million, six hundred sixty-eight thousand, two hundred nine".