9189438600948 has 12 divisors (see below), whose sum is σ = 21442023402240. Its totient is φ = 3063146200312.

The previous prime is 9189438600943. The next prime is 9189438600961. The reversal of 9189438600948 is 8490068349819.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9189438600943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382893275028 + ... + 382893275051.

It is an arithmetic number, because the mean of its divisors is an integer number (1786835283520).

Almost surely, 2^{9189438600948} is an apocalyptic number.

It is an amenable number.

9189438600948 is an abundant number, since it is smaller than the sum of its proper divisors (12252584801292).

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

9189438600948 is a wasteful number, since it uses less digits than its factorization.

9189438600948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765786550086 (or 765786550084 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 69.

The spelling of 9189438600948 in words is "nine trillion, one hundred eighty-nine billion, four hundred thirty-eight million, six hundred thousand, nine hundred forty-eight".