9958189470 has 64 divisors (see below), whose sum is σ = 24500931840. Its totient is φ = 2588806400.

The previous prime is 9958189463. The next prime is 9958189471. The reversal of 9958189470 is 749818599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958189471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2432125 + ... + 2436215.

It is an arithmetic number, because the mean of its divisors is an integer number (382827060).

Almost surely, 2^9958189470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9958189470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12250465920).

9958189470 is an abundant number, since it is smaller than the sum of its proper divisors (14542742370).

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

9958189470 is a wasteful number, since it uses less digits than its factorization.

9958189470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The square root of 9958189470 is about 99790.7283769389. The cubic root of 9958189470 is about 2151.4278937306.

The spelling of 9958189470 in words is "nine billion, nine hundred fifty-eight million, one hundred eighty-nine thousand, four hundred seventy".