648354612 has 24 divisors (see below), whose sum is σ = 1513806112. Its totient is φ = 215978400.

The previous prime is 648354611. The next prime is 648354631. The reversal of 648354612 is 216453846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648354611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 36117.

Almost surely, 2^648354612 is an apocalyptic number.

It is an amenable number.

648354612 is an abundant number, since it is smaller than the sum of its proper divisors (865451500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648354612 is a wasteful number, since it uses less digits than its factorization.

648354612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34959 (or 34957 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 648354612 is about 25462.8084075579. The cubic root of 648354612 is about 865.5075649436.

The spelling of 648354612 in words is "six hundred forty-eight million, three hundred fifty-four thousand, six hundred twelve".