9394735813 has 4 divisors (see below), whose sum is σ = 9395517888. Its totient is φ = 9393953740.

The previous prime is 9394735799. The next prime is 9394735837. The reversal of 9394735813 is 3185374939.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9394735813 is a prime.

It is a super-2 number, since 2×9394735813² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9394735873) 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, 372733 + ... + 397138.

It is an arithmetic number, because the mean of its divisors is an integer number (2348879472).

Almost surely, 2^9394735813 is an apocalyptic number.

It is an amenable number.

9394735813 is a deficient number, since it is larger than the sum of its proper divisors (782075).

9394735813 is a wasteful number, since it uses less digits than its factorization.

9394735813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782074.

The product of its digits is 2449440, while the sum is 52.

The square root of 9394735813 is about 96926.4453748305. The cubic root of 9394735813 is about 2110.0602554613.

The spelling of 9394735813 in words is "nine billion, three hundred ninety-four million, seven hundred thirty-five thousand, eight hundred thirteen".