248648341821 has 16 divisors (see below), whose sum is σ = 361726345728. Its totient is φ = 150672618800.

The previous prime is 248648341817. The next prime is 248648341841. The reversal of 248648341821 is 128143846842.

It is not a de Polignac number, because 248648341821 - 2² = 248648341817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248648341841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366201 + ... + 794606.

It is an arithmetic number, because the mean of its divisors is an integer number (22607896608).

Almost surely, 2^248648341821 is an apocalyptic number.

It is an amenable number.

248648341821 is a deficient number, since it is larger than the sum of its proper divisors (113078003907).

248648341821 is a wasteful number, since it uses less digits than its factorization.

248648341821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167312.

The product of its digits is 2359296, while the sum is 51.

The spelling of 248648341821 in words is "two hundred forty-eight billion, six hundred forty-eight million, three hundred forty-one thousand, eight hundred twenty-one".