9490001947 has 2 divisors, whose sum is σ = 9490001948. Its totient is φ = 9490001946.

The previous prime is 9490001933. The next prime is 9490001999. The reversal of 9490001947 is 7491000949.

9490001947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7491000949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9490001947 - 2¹⁹ = 9489477659 is a prime.

It is not a weakly prime, because it can be changed into another prime (9490001047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745000973 + 4745000974.

It is an arithmetic number, because the mean of its divisors is an integer number (4745000974).

Almost surely, 2^9490001947 is an apocalyptic number.

9490001947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9490001947 is an equidigital number, since it uses as much as digits as its factorization.

9490001947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 9490001947 is about 97416.6410168201. The cubic root of 9490001947 is about 2117.1685490724.

The spelling of 9490001947 in words is "nine billion, four hundred ninety million, one thousand, nine hundred forty-seven".