9659654004 has 216 divisors, whose sum is σ = 30975563808. Its totient is φ = 2315738880.

The previous prime is 9659653981. The next prime is 9659654009. The reversal of 9659654004 is 4004569569.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659654009) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1088674 + ... + 1097510.

It is an arithmetic number, because the mean of its divisors is an integer number (143405388).

Almost surely, 2^9659654004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9659654004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15487781904).

9659654004 is an abundant number, since it is smaller than the sum of its proper divisors (21315909804).

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

9659654004 is a wasteful number, since it uses less digits than its factorization.

9659654004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8873 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 9659654004 is about 98283.5388251766. The cubic root of 9659654004 is about 2129.7102623375.

It can be divided in two parts, 965965 and 4004, that added together give a palindrome (969969).

The spelling of 9659654004 in words is "nine billion, six hundred fifty-nine million, six hundred fifty-four thousand, four".