248122604791 has 4 divisors (see below), whose sum is σ = 248158977232. Its totient is φ = 248086232352.

The previous prime is 248122604789. The next prime is 248122604819. The reversal of 248122604791 is 197406221842.

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 248122604791 - 2¹ = 248122604789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248122604701) 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, 18175986 + ... + 18189631.

It is an arithmetic number, because the mean of its divisors is an integer number (62039744308).

Almost surely, 2^248122604791 is an apocalyptic number.

248122604791 is a deficient number, since it is larger than the sum of its proper divisors (36372441).

248122604791 is an equidigital number, since it uses as much as digits as its factorization.

248122604791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36372440.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 248122604791 in words is "two hundred forty-eight billion, one hundred twenty-two million, six hundred four thousand, seven hundred ninety-one".