9490808947 has 2 divisors, whose sum is σ = 9490808948. Its totient is φ = 9490808946.

The previous prime is 9490808911. The next prime is 9490808963. The reversal of 9490808947 is 7498080949.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9490808947 - 2¹⁵ = 9490776179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9490808891 and 9490808900.

It is not a weakly prime, because it can be changed into another prime (9490802947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745404473 + 4745404474.

It is an arithmetic number, because the mean of its divisors is an integer number (4745404474).

Almost surely, 2^9490808947 is an apocalyptic number.

9490808947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9490808947 is an equidigital number, since it uses as much as digits as its factorization.

9490808947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 9490808947 is about 97420.7829315696. The cubic root of 9490808947 is about 2117.2285598290.

The spelling of 9490808947 in words is "nine billion, four hundred ninety million, eight hundred eight thousand, nine hundred forty-seven".