9521330242 has 4 divisors (see below), whose sum is σ = 14281995366. Its totient is φ = 4760665120.

The previous prime is 9521330227. The next prime is 9521330249. The reversal of 9521330242 is 2420331259.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6989127201 + 2532203041 = 83601^2 + 50321^2 .

It is not an unprimeable number, because it can be changed into a prime (9521330249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380332559 + ... + 2380332562.

Almost surely, 2^9521330242 is an apocalyptic number.

9521330242 is a deficient number, since it is larger than the sum of its proper divisors (4760665124).

9521330242 is a wasteful number, since it uses less digits than its factorization.

9521330242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760665123.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 9521330242 is about 97577.3039287313. The cubic root of 9521330242 is about 2119.4957150201.

The spelling of 9521330242 in words is "nine billion, five hundred twenty-one million, three hundred thirty thousand, two hundred forty-two".