248617846947 has 4 divisors (see below), whose sum is σ = 331490462600. Its totient is φ = 165745231296.

The previous prime is 248617846871. The next prime is 248617847057. The reversal of 248617846947 is 749648716842.

248617846947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 248617846947 - 2¹⁰ = 248617845923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248617846847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41436307822 + ... + 41436307827.

It is an arithmetic number, because the mean of its divisors is an integer number (82872615650).

Almost surely, 2^248617846947 is an apocalyptic number.

248617846947 is a deficient number, since it is larger than the sum of its proper divisors (82872615653).

248617846947 is an equidigital number, since it uses as much as digits as its factorization.

248617846947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82872615652.

The product of its digits is 130056192, while the sum is 66.

The spelling of 248617846947 in words is "two hundred forty-eight billion, six hundred seventeen million, eight hundred forty-six thousand, nine hundred forty-seven".