9429798189 has 64 divisors (see below), whose sum is σ = 14952038400. Its totient is φ = 5282968320.

The previous prime is 9429798181. The next prime is 9429798193. The reversal of 9429798189 is 9818979249.

It is not a de Polignac number, because 9429798189 - 2³ = 9429798181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9429798181) 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, 24620692 + ... + 24621074.

It is an arithmetic number, because the mean of its divisors is an integer number (233625600).

Almost surely, 2^9429798189 is an apocalyptic number.

It is an amenable number.

9429798189 is a deficient number, since it is larger than the sum of its proper divisors (5522240211).

9429798189 is a wasteful number, since it uses less digits than its factorization.

9429798189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 801 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 66.

The square root of 9429798189 is about 97107.1479809803. The cubic root of 9429798189 is about 2112.6820030345.

The spelling of 9429798189 in words is "nine billion, four hundred twenty-nine million, seven hundred ninety-eight thousand, one hundred eighty-nine".