5170351821 has 8 divisors (see below), whose sum is σ = 6894781920. Its totient is φ = 3446411472.

The previous prime is 5170351793. The next prime is 5170351853. The reversal of 5170351821 is 1281530715.

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

It is not a de Polignac number, because 5170351821 - 2⁶ = 5170351757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5170352821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97051 + ... + 140568.

It is an arithmetic number, because the mean of its divisors is an integer number (861847740).

Almost surely, 2^5170351821 is an apocalyptic number.

It is an amenable number.

5170351821 is a deficient number, since it is larger than the sum of its proper divisors (1724430099).

5170351821 is a wasteful number, since it uses less digits than its factorization.

5170351821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244875.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 5170351821 is about 71905.1585145322. The cubic root of 5170351821 is about 1729.1793161564.

The spelling of 5170351821 in words is "five billion, one hundred seventy million, three hundred fifty-one thousand, eight hundred twenty-one".