4998720869 has 4 divisors (see below), whose sum is σ = 4998889644. Its totient is φ = 4998552096.

The previous prime is 4998720863. The next prime is 4998720871. The reversal of 4998720869 is 9680278994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3905625025 + 1093095844 = 62495^2 + 33062^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998720869 - 2²⁰ = 4997672293 is a prime.

It is a super-2 number, since 2×4998720869² = 49974420652352230322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998720863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26912 + ... + 103545.

It is an arithmetic number, because the mean of its divisors is an integer number (1249722411).

Almost surely, 2^4998720869 is an apocalyptic number.

It is an amenable number.

4998720869 is a deficient number, since it is larger than the sum of its proper divisors (168775).

4998720869 is a wasteful number, since it uses less digits than its factorization.

4998720869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168774.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The square root of 4998720869 is about 70701.6327180639. The cubic root of 4998720869 is about 1709.8301153573.

The spelling of 4998720869 in words is "four billion, nine hundred ninety-eight million, seven hundred twenty thousand, eight hundred sixty-nine".