5170143921 has 16 divisors (see below), whose sum is σ = 7345528704. Its totient is φ = 3223344384.

The previous prime is 5170143919. The next prime is 5170143943. The reversal of 5170143921 is 1293410715.

It is not a de Polignac number, because 5170143921 - 2¹ = 5170143919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5170143971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314845 + ... + 330858.

It is an arithmetic number, because the mean of its divisors is an integer number (459095544).

Almost surely, 2^5170143921 is an apocalyptic number.

5170143921 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5170143921 is a deficient number, since it is larger than the sum of its proper divisors (2175384783).

5170143921 is a wasteful number, since it uses less digits than its factorization.

5170143921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645880.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 5170143921 is about 71903.7128457217. The cubic root of 5170143921 is about 1729.1561390619.

The spelling of 5170143921 in words is "five billion, one hundred seventy million, one hundred forty-three thousand, nine hundred twenty-one".