9459215428 has 24 divisors (see below), whose sum is σ = 18602071488. Its totient is φ = 4175974176.

The previous prime is 9459215413. The next prime is 9459215449. The reversal of 9459215428 is 8245129549.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953326 + ... + 3955717.

It is an arithmetic number, because the mean of its divisors is an integer number (775086312).

Almost surely, 2^9459215428 is an apocalyptic number.

It is an amenable number.

9459215428 is a deficient number, since it is larger than the sum of its proper divisors (9142856060).

9459215428 is a wasteful number, since it uses less digits than its factorization.

9459215428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909083 (or 7909081 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 9459215428 is about 97258.4979731848. The cubic root of 9459215428 is about 2114.8766331103.

The spelling of 9459215428 in words is "nine billion, four hundred fifty-nine million, two hundred fifteen thousand, four hundred twenty-eight".