9394649501 has 2 divisors, whose sum is σ = 9394649502. Its totient is φ = 9394649500.

The previous prime is 9394649393. The next prime is 9394649519. The reversal of 9394649501 is 1059464939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9394649476 + 25 = 96926^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9394649501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9394649501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9394649801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4697324750 + 4697324751.

It is an arithmetic number, because the mean of its divisors is an integer number (4697324751).

Almost surely, 2^9394649501 is an apocalyptic number.

It is an amenable number.

9394649501 is a deficient number, since it is larger than the sum of its proper divisors (1).

9394649501 is an equidigital number, since it uses as much as digits as its factorization.

9394649501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 9394649501 is about 96926.0001289644. Note that the first 3 decimals coincide. The cubic root of 9394649501 is about 2110.0537935418.

The spelling of 9394649501 in words is "nine billion, three hundred ninety-four million, six hundred forty-nine thousand, five hundred one".