8849646947 has 2 divisors, whose sum is σ = 8849646948. Its totient is φ = 8849646946.

The previous prime is 8849646943. The next prime is 8849646977. The reversal of 8849646947 is 7496469488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8849646947 - 2² = 8849646943 is a prime.

It is not a weakly prime, because it can be changed into another prime (8849646943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4424823473 + 4424823474.

It is an arithmetic number, because the mean of its divisors is an integer number (4424823474).

Almost surely, 2^8849646947 is an apocalyptic number.

8849646947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8849646947 is an equidigital number, since it uses as much as digits as its factorization.

8849646947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83607552, while the sum is 65.

The square root of 8849646947 is about 94072.5621368952. The cubic root of 8849646947 is about 2068.4354944691.

The spelling of 8849646947 in words is "eight billion, eight hundred forty-nine million, six hundred forty-six thousand, nine hundred forty-seven".