9645659954 has 24 divisors (see below), whose sum is σ = 17565312000. Its totient is φ = 3890684736.

The previous prime is 9645659941. The next prime is 9645659957. The reversal of 9645659954 is 4599565469.

It is not an unprimeable number, because it can be changed into a prime (9645659957) 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 11 ways as a sum of consecutive naturals, for example, 1187954 + ... + 1196045.

It is an arithmetic number, because the mean of its divisors is an integer number (731888000).

Almost surely, 2^9645659954 is an apocalyptic number.

9645659954 is a deficient number, since it is larger than the sum of its proper divisors (7919652046).

9645659954 is a wasteful number, since it uses less digits than its factorization.

9645659954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384042 (or 2384025 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 62.

The square root of 9645659954 is about 98212.3207851235. The cubic root of 9645659954 is about 2128.6813201832.

The spelling of 9645659954 in words is "nine billion, six hundred forty-five million, six hundred fifty-nine thousand, nine hundred fifty-four".