4988477491 has 4 divisors (see below), whose sum is σ = 5039905192. Its totient is φ = 4937049792.

The previous prime is 4988477489. The next prime is 4988477497. The reversal of 4988477491 is 1947748894.

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

It is a cyclic number.

It is not a de Polignac number, because 4988477491 - 2¹ = 4988477489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4988477497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25713705 + ... + 25713898.

It is an arithmetic number, because the mean of its divisors is an integer number (1259976298).

Almost surely, 2^4988477491 is an apocalyptic number.

4988477491 is a deficient number, since it is larger than the sum of its proper divisors (51427701).

4988477491 is an equidigital number, since it uses as much as digits as its factorization.

4988477491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51427700.

The product of its digits is 16257024, while the sum is 61.

The square root of 4988477491 is about 70629.1546813354. The cubic root of 4988477491 is about 1708.6613888096.

The spelling of 4988477491 in words is "four billion, nine hundred eighty-eight million, four hundred seventy-seven thousand, four hundred ninety-one".