4998720863 has 2 divisors, whose sum is σ = 4998720864. Its totient is φ = 4998720862.

The previous prime is 4998720821. The next prime is 4998720871. The reversal of 4998720863 is 3680278994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4998720863 - 2⁸ = 4998720607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4998720799 and 4998720808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4998720563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499360431 + 2499360432.

It is an arithmetic number, because the mean of its divisors is an integer number (2499360432).

Almost surely, 2^4998720863 is an apocalyptic number.

4998720863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998720863 is an equidigital number, since it uses as much as digits as its factorization.

4998720863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 4998720863 is about 70701.6326756320. The cubic root of 4998720863 is about 1709.8301146732.

The spelling of 4998720863 in words is "four billion, nine hundred ninety-eight million, seven hundred twenty thousand, eight hundred sixty-three".