9528449656 has 16 divisors (see below), whose sum is σ = 19490010840. Its totient is φ = 4331113440.

The previous prime is 9528449639. The next prime is 9528449677. The reversal of 9528449656 is 6569448259.

It is a self number, because there is not a number n which added to its sum of digits gives 9528449656.

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, 54138831 + ... + 54139006.

Almost surely, 2^9528449656 is an apocalyptic number.

It is an amenable number.

9528449656 is an abundant number, since it is smaller than the sum of its proper divisors (9961561184).

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

9528449656 is a wasteful number, since it uses less digits than its factorization.

9528449656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108277854 (or 108277850 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The square root of 9528449656 is about 97613.7780029028. The cubic root of 9528449656 is about 2120.0238557895.

The spelling of 9528449656 in words is "nine billion, five hundred twenty-eight million, four hundred forty-nine thousand, six hundred fifty-six".