9389162121 has 8 divisors (see below), whose sum is σ = 12521029344. Its totient is φ = 6258368160.

The previous prime is 9389162093. The next prime is 9389162141. The reversal of 9389162121 is 1212619839.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9389162121 - 2⁷ = 9389161993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9389162141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247675 + ... + 283056.

It is an arithmetic number, because the mean of its divisors is an integer number (1565128668).

Almost surely, 2^9389162121 is an apocalyptic number.

It is an amenable number.

9389162121 is a deficient number, since it is larger than the sum of its proper divisors (3131867223).

9389162121 is a wasteful number, since it uses less digits than its factorization.

9389162121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536631.

The product of its digits is 46656, while the sum is 42.

The square root of 9389162121 is about 96897.6889352889. The cubic root of 9389162121 is about 2109.6428886585.

The spelling of 9389162121 in words is "nine billion, three hundred eighty-nine million, one hundred sixty-two thousand, one hundred twenty-one".