9842140305 has 48 divisors (see below), whose sum is σ = 17734691520. Its totient is φ = 5236342848.

The previous prime is 9842140229. The next prime is 9842140309. The reversal of 9842140305 is 5030412489.

It is not a de Polignac number, because 9842140305 - 2¹² = 9842136209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9842140305.

It is not an unprimeable number, because it can be changed into a prime (9842140309) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 499419 + ... + 518751.

It is an arithmetic number, because the mean of its divisors is an integer number (369472740).

Almost surely, 2^9842140305 is an apocalyptic number.

It is an amenable number.

9842140305 is a deficient number, since it is larger than the sum of its proper divisors (7892551215).

9842140305 is a wasteful number, since it uses less digits than its factorization.

9842140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19772 (or 19760 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 9842140305 is about 99207.5617329647. The cubic root of 9842140305 is about 2143.0378947244.

The spelling of 9842140305 in words is "nine billion, eight hundred forty-two million, one hundred forty thousand, three hundred five".