4899159721 has 8 divisors (see below), whose sum is σ = 5081769440. Its totient is φ = 4719671712.

The previous prime is 4899159701. The next prime is 4899159737. The reversal of 4899159721 is 1279519984.

4899159721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4899159721 - 2¹³ = 4899151529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4899159701) 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, 777231 + ... + 783508.

It is an arithmetic number, because the mean of its divisors is an integer number (635221180).

Almost surely, 2^4899159721 is an apocalyptic number.

It is an amenable number.

4899159721 is a deficient number, since it is larger than the sum of its proper divisors (182609719).

4899159721 is a wasteful number, since it uses less digits than its factorization.

4899159721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560855.

The product of its digits is 1632960, while the sum is 55.

The square root of 4899159721 is about 69993.9977498071. The cubic root of 4899159721 is about 1698.4021573545.

The spelling of 4899159721 in words is "four billion, eight hundred ninety-nine million, one hundred fifty-nine thousand, seven hundred twenty-one".