9658429980 has 192 divisors, whose sum is σ = 30558850560. Its totient is φ = 2264702976.

The previous prime is 9658429927. The next prime is 9658429981. The reversal of 9658429980 is 899248569.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9658429981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1411327 + ... + 1418153.

It is an arithmetic number, because the mean of its divisors is an integer number (159160680).

Almost surely, 2^9658429980 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 9658429980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15279425280).

9658429980 is an abundant number, since it is smaller than the sum of its proper divisors (20900420580).

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

9658429980 is a wasteful number, since it uses less digits than its factorization.

9658429980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6946 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The square root of 9658429980 is about 98277.3116237924. The cubic root of 9658429980 is about 2129.6203030564.

The spelling of 9658429980 in words is "nine billion, six hundred fifty-eight million, four hundred twenty-nine thousand, nine hundred eighty".