51852186849 has 8 divisors (see below), whose sum is σ = 69913061280. Its totient is φ = 34179718496.

The previous prime is 51852186833. The next prime is 51852186887. The reversal of 51852186849 is 94868125815.

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 51852186849 - 2⁴ = 51852186833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51852184849) 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, 97101207 + ... + 97101740.

It is an arithmetic number, because the mean of its divisors is an integer number (8739132660).

Almost surely, 2^51852186849 is an apocalyptic number.

It is an amenable number.

51852186849 is a deficient number, since it is larger than the sum of its proper divisors (18060874431).

51852186849 is a wasteful number, since it uses less digits than its factorization.

51852186849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194203039.

The product of its digits is 5529600, while the sum is 57.

The spelling of 51852186849 in words is "fifty-one billion, eight hundred fifty-two million, one hundred eighty-six thousand, eight hundred forty-nine".