8974791409 has 2 divisors, whose sum is σ = 8974791410. Its totient is φ = 8974791408.

The previous prime is 8974791407. The next prime is 8974791461. The reversal of 8974791409 is 9041974798.

8974791409 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 can be written as a sum of positive squares in only one way, i.e., 6098829025 + 2875962384 = 78095^2 + 53628^2 .

It is a cyclic number.

It is not a de Polignac number, because 8974791409 - 2¹ = 8974791407 is a prime.

Together with 8974791407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8974791401) 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, 4487395704 + 4487395705.

It is an arithmetic number, because the mean of its divisors is an integer number (4487395705).

Almost surely, 2^8974791409 is an apocalyptic number.

It is an amenable number.

8974791409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8974791409 is an equidigital number, since it uses as much as digits as its factorization.

8974791409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 8974791409 is about 94735.3756998936. The cubic root of 8974791409 is about 2078.1399335853.

The spelling of 8974791409 in words is "eight billion, nine hundred seventy-four million, seven hundred ninety-one thousand, four hundred nine".