9442613993 has 4 divisors (see below), whose sum is σ = 9445384068. Its totient is φ = 9439843920.

The previous prime is 9442613969. The next prime is 9442614017. The reversal of 9442613993 is 3993162449.

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

It is an interprime number because it is at equal distance from previous prime (9442613969) and next prime (9442614017).

It can be written as a sum of positive squares in 2 ways, for example, as 6201247504 + 3241366489 = 78748^2 + 56933^2 .

It is a cyclic number.

It is not a de Polignac number, because 9442613993 - 2¹⁰ = 9442612969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9442613923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379918 + ... + 1386743.

It is an arithmetic number, because the mean of its divisors is an integer number (2361346017).

Almost surely, 2^9442613993 is an apocalyptic number.

It is an amenable number.

9442613993 is a deficient number, since it is larger than the sum of its proper divisors (2770075).

9442613993 is a wasteful number, since it uses less digits than its factorization.

9442613993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770074.

The product of its digits is 1259712, while the sum is 50.

The square root of 9442613993 is about 97173.1135294120. The cubic root of 9442613993 is about 2113.6386676134.

The spelling of 9442613993 in words is "nine billion, four hundred forty-two million, six hundred thirteen thousand, nine hundred ninety-three".