16839242027 has 4 divisors (see below), whose sum is σ = 16843785840. Its totient is φ = 16834698216.

The previous prime is 16839242023. The next prime is 16839242029. The reversal of 16839242027 is 72024293861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16839242027 - 2² = 16839242023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16839242023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266343 + ... + 2273760.

It is an arithmetic number, because the mean of its divisors is an integer number (4210946460).

Almost surely, 2^16839242027 is an apocalyptic number.

16839242027 is a deficient number, since it is larger than the sum of its proper divisors (4543813).

16839242027 is an equidigital number, since it uses as much as digits as its factorization.

16839242027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543812.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 16839242027 in words is "sixteen billion, eight hundred thirty-nine million, two hundred forty-two thousand, twenty-seven".