248195268863 has 32 divisors (see below), whose sum is σ = 265726137600. Its totient is φ = 231392761600.

The previous prime is 248195268859. The next prime is 248195268887. The reversal of 248195268863 is 368862591842.

It is a happy number.

It is a Cunningham number, because it is equal to 498192²-1.

It is a cyclic number.

It is not a de Polignac number, because 248195268863 - 2² = 248195268859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248195268796 and 248195268805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248195268823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65261120 + ... + 65264922.

It is an arithmetic number, because the mean of its divisors is an integer number (8303941800).

Almost surely, 2^248195268863 is an apocalyptic number.

248195268863 is a deficient number, since it is larger than the sum of its proper divisors (17530868737).

248195268863 is a wasteful number, since it uses less digits than its factorization.

248195268863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423.

The product of its digits is 39813120, while the sum is 62.

The spelling of 248195268863 in words is "two hundred forty-eight billion, one hundred ninety-five million, two hundred sixty-eight thousand, eight hundred sixty-three".