9394649393 has 2 divisors, whose sum is σ = 9394649394. Its totient is φ = 9394649392.

The previous prime is 9394649387. The next prime is 9394649501. The reversal of 9394649393 is 3939464939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8801629489 + 593019904 = 93817^2 + 24352^2 .

It is a cyclic number.

It is not a de Polignac number, because 9394649393 - 2⁴ = 9394649377 is a prime.

It is not a weakly prime, because it can be changed into another prime (9394049393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4697324696 + 4697324697.

It is an arithmetic number, because the mean of its divisors is an integer number (4697324697).

Almost surely, 2^9394649393 is an apocalyptic number.

It is an amenable number.

9394649393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9394649393 is an equidigital number, since it uses as much as digits as its factorization.

9394649393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17006112, while the sum is 59.

The square root of 9394649393 is about 96925.9995718383. Note that the first 3 decimals coincide. The cubic root of 9394649393 is about 2110.0537854561.

The spelling of 9394649393 in words is "nine billion, three hundred ninety-four million, six hundred forty-nine thousand, three hundred ninety-three".