9645455552 has 14 divisors (see below), whose sum is σ = 19140200988. Its totient is φ = 4822727744.

The previous prime is 9645455551. The next prime is 9645455557. The reversal of 9645455552 is 2555545469.

It is a self number, because there is not a number n which added to its sum of digits gives 9645455552.

It is not an unprimeable number, because it can be changed into a prime (9645455551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75355058 + ... + 75355185.

Almost surely, 2^9645455552 is an apocalyptic number.

It is an amenable number.

9645455552 is a deficient number, since it is larger than the sum of its proper divisors (9494745436).

9645455552 is a wasteful number, since it uses less digits than its factorization.

9645455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150710255 (or 150710245 counting only the distinct ones).

The product of its digits is 5400000, while the sum is 50.

The square root of 9645455552 is about 98211.2801667914. The cubic root of 9645455552 is about 2128.6662837213. Note that the first 3 decimals are identical.

The spelling of 9645455552 in words is "nine billion, six hundred forty-five million, four hundred fifty-five thousand, five hundred fifty-two".