4974163521 has 8 divisors (see below), whose sum is σ = 6648435360. Its totient is φ = 3308000352.

The previous prime is 4974163489. The next prime is 4974163541. The reversal of 4974163521 is 1253614794.

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

It is not a de Polignac number, because 4974163521 - 2⁵ = 4974163489 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4974163541) 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, 2025735 + ... + 2028188.

It is an arithmetic number, because the mean of its divisors is an integer number (831054420).

Almost surely, 2^4974163521 is an apocalyptic number.

It is an amenable number.

4974163521 is a deficient number, since it is larger than the sum of its proper divisors (1674271839).

4974163521 is a wasteful number, since it uses less digits than its factorization.

4974163521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054335.

The product of its digits is 181440, while the sum is 42.

The square root of 4974163521 is about 70527.7500066463. The cubic root of 4974163521 is about 1707.0255417787.

The spelling of 4974163521 in words is "four billion, nine hundred seventy-four million, one hundred sixty-three thousand, five hundred twenty-one".