648117306524 has 12 divisors (see below), whose sum is σ = 1134276017448. Its totient is φ = 324038444400.

The previous prime is 648117306509. The next prime is 648117306533. The reversal of 648117306524 is 425603711846.

648117306524 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 3 ways as a sum of consecutive naturals, for example, 4979942 + ... + 5108429.

It is an arithmetic number, because the mean of its divisors is an integer number (94523001454).

Almost surely, 2^648117306524 is an apocalyptic number.

It is an amenable number.

648117306524 is a deficient number, since it is larger than the sum of its proper divisors (486158710924).

648117306524 is a wasteful number, since it uses less digits than its factorization.

648117306524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104436 (or 10104434 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 648117306524 in words is "six hundred forty-eight billion, one hundred seventeen million, three hundred six thousand, five hundred twenty-four".