9645455508 has 48 divisors (see below), whose sum is σ = 24463857600. Its totient is φ = 2940090624.

The previous prime is 9645455441. The next prime is 9645455509. The reversal of 9645455508 is 8055545469.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9645455509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272233 + ... + 305616.

It is an arithmetic number, because the mean of its divisors is an integer number (509663700).

Almost surely, 2^9645455508 is an apocalyptic number.

It is an amenable number.

9645455508 is an abundant number, since it is smaller than the sum of its proper divisors (14818402092).

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

9645455508 is a wasteful number, since it uses less digits than its factorization.

9645455508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577976 (or 577974 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 51.

The square root of 9645455508 is about 98211.2799427846. The cubic root of 9645455508 is about 2128.6662804845. Note that the first 3 decimals are identical.

The spelling of 9645455508 in words is "nine billion, six hundred forty-five million, four hundred fifty-five thousand, five hundred eight".