5243998016 has 14 divisors (see below), whose sum is σ = 10406058690. Its totient is φ = 2621998976.

The previous prime is 5243998013. The next prime is 5243998033. The reversal of 5243998016 is 6108993425.

It can be written as a sum of positive squares in only one way, i.e., 5241760000 + 2238016 = 72400^2 + 1496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243998013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40968671 + ... + 40968798.

Almost surely, 2^5243998016 is an apocalyptic number.

It is an amenable number.

5243998016 is a deficient number, since it is larger than the sum of its proper divisors (5162060674).

5243998016 is an equidigital number, since it uses as much as digits as its factorization.

5243998016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81937481 (or 81937471 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 5243998016 is about 72415.4542621946. The cubic root of 5243998016 is about 1737.3507506395.

The spelling of 5243998016 in words is "five billion, two hundred forty-three million, nine hundred ninety-eight thousand, sixteen".