648748847846 has 12 divisors (see below), whose sum is σ = 1069631365236. Its totient is φ = 294885839820.

The previous prime is 648748847699. The next prime is 648748847863.

It is a happy number.

648748847846 is nontrivially palindromic in base 10.

648748847846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1340389940 + ... + 1340390423.

It is an arithmetic number, because the mean of its divisors is an integer number (89135947103).

Almost surely, 2^648748847846 is an apocalyptic number.

648748847846 is a deficient number, since it is larger than the sum of its proper divisors (420882517390).

648748847846 is a wasteful number, since it uses less digits than its factorization.

648748847846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680780387 (or 2680780376 counting only the distinct ones).

The product of its digits is 1849688064, while the sum is 74.

The spelling of 648748847846 in words is "six hundred forty-eight billion, seven hundred forty-eight million, eight hundred forty-seven thousand, eight hundred forty-six".