9515442648 has 32 divisors (see below), whose sum is σ = 24608905200. Its totient is φ = 3062441088.

The previous prime is 9515442593. The next prime is 9515442661. The reversal of 9515442648 is 8462445159.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9515442597 and 9515442606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835111 + ... + 6836502.

Almost surely, 2^9515442648 is an apocalyptic number.

It is an amenable number.

9515442648 is an abundant number, since it is smaller than the sum of its proper divisors (15093462552).

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

9515442648 is a wasteful number, since it uses less digits than its factorization.

9515442648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13671651 (or 13671647 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 9515442648 is about 97547.1303934667. The cubic root of 9515442648 is about 2119.0587556552.

The spelling of 9515442648 in words is "nine billion, five hundred fifteen million, four hundred forty-two thousand, six hundred forty-eight".