248368819969 has 4 divisors (see below), whose sum is σ = 248376948480. Its totient is φ = 248360691460.

The previous prime is 248368819957. The next prime is 248368820069. The reversal of 248368819969 is 969918863842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248368819969 - 2³¹ = 246221336321 is a prime.

It is a super-2 number, since 2×248368819969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248368819169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4018249 + ... + 4079590.

It is an arithmetic number, because the mean of its divisors is an integer number (62094237120).

Almost surely, 2^248368819969 is an apocalyptic number.

It is an amenable number.

248368819969 is a deficient number, since it is larger than the sum of its proper divisors (8128511).

248368819969 is an equidigital number, since it uses as much as digits as its factorization.

248368819969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128510.

The product of its digits is 322486272, while the sum is 73.

The spelling of 248368819969 in words is "two hundred forty-eight billion, three hundred sixty-eight million, eight hundred nineteen thousand, nine hundred sixty-nine".