654593648 has 10 divisors (see below), whose sum is σ = 1268275224. Its totient is φ = 327296816.

The previous prime is 654593647. The next prime is 654593651. The reversal of 654593648 is 846395456.

It is a junction number, because it is equal to n+sod(n) for n = 654593596 and 654593605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654593647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20456036 + ... + 20456067.

Almost surely, 2^654593648 is an apocalyptic number.

It is an amenable number.

654593648 is a deficient number, since it is larger than the sum of its proper divisors (613681576).

654593648 is a wasteful number, since it uses less digits than its factorization.

654593648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40912111 (or 40912105 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The square root of 654593648 is about 25585.0278092481. The cubic root of 654593648 is about 868.2749311368.

The spelling of 654593648 in words is "six hundred fifty-four million, five hundred ninety-three thousand, six hundred forty-eight".