9213372428 has 24 divisors (see below), whose sum is σ = 18385057152. Its totient is φ = 4002188544.

The previous prime is 9213372379. The next prime is 9213372481. The reversal of 9213372428 is 8242733129.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5210300 + ... + 5212067.

It is an arithmetic number, because the mean of its divisors is an integer number (766044048).

Almost surely, 2^9213372428 is an apocalyptic number.

It is an amenable number.

9213372428 is a deficient number, since it is larger than the sum of its proper divisors (9171684724).

9213372428 is a wasteful number, since it uses less digits than its factorization.

9213372428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422401 (or 10422399 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 9213372428 is about 95986.3137535763. The cubic root of 9213372428 is about 2096.3938433402.

The spelling of 9213372428 in words is "nine billion, two hundred thirteen million, three hundred seventy-two thousand, four hundred twenty-eight".