47242563884809 has 2 divisors, whose sum is σ = 47242563884810. Its totient is φ = 47242563884808.

The previous prime is 47242563884723. The next prime is 47242563884851. The reversal of 47242563884809 is 90848836524274.

47242563884809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24989201166400 + 22253362718409 = 4998920^2 + 4717347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47242563884809 is a prime.

It is not a weakly prime, because it can be changed into another prime (47242563884309) 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, 23621281942404 + 23621281942405.

It is an arithmetic number, because the mean of its divisors is an integer number (23621281942405).

Almost surely, 2^{47242563884809} is an apocalyptic number.

It is an amenable number.

47242563884809 is a deficient number, since it is larger than the sum of its proper divisors (1).

47242563884809 is an equidigital number, since it uses as much as digits as its factorization.

47242563884809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 743178240, while the sum is 70.

The spelling of 47242563884809 in words is "forty-seven trillion, two hundred forty-two billion, five hundred sixty-three million, eight hundred eighty-four thousand, eight hundred nine".