47673597809 has 2 divisors, whose sum is σ = 47673597810. Its totient is φ = 47673597808.

The previous prime is 47673597791. The next prime is 47673597817. The reversal of 47673597809 is 90879537674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45699750625 + 1973847184 = 213775^2 + 44428^2 .

It is a cyclic number.

It is not a de Polignac number, because 47673597809 - 2¹⁶ = 47673532273 is a prime.

It is not a weakly prime, because it can be changed into another prime (47673597109) 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, 23836798904 + 23836798905.

It is an arithmetic number, because the mean of its divisors is an integer number (23836798905).

Almost surely, 2^47673597809 is an apocalyptic number.

It is an amenable number.

47673597809 is a deficient number, since it is larger than the sum of its proper divisors (1).

47673597809 is an equidigital number, since it uses as much as digits as its factorization.

47673597809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 47673597809 in words is "forty-seven billion, six hundred seventy-three million, five hundred ninety-seven thousand, eight hundred nine".