47584505394209 has 16 divisors (see below), whose sum is σ = 55858545308928. Its totient is φ = 39679783906752.

The previous prime is 47584505394121. The next prime is 47584505394211. The reversal of 47584505394209 is 90249350548574.

It is a cyclic number.

It is not a de Polignac number, because 47584505394209 - 2¹² = 47584505390113 is a prime.

It is a super-2 number, since 2×47584505394209² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47584505394229) 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 in 15 ways as a sum of consecutive naturals, for example, 8383994 + ... + 12863139.

It is an arithmetic number, because the mean of its divisors is an integer number (3491159081808).

Almost surely, 2^{47584505394209} is an apocalyptic number.

It is an amenable number.

47584505394209 is a deficient number, since it is larger than the sum of its proper divisors (8274039914719).

47584505394209 is a wasteful number, since it uses less digits than its factorization.

47584505394209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21255824.

The product of its (nonzero) digits is 217728000, while the sum is 65.

The spelling of 47584505394209 in words is "forty-seven trillion, five hundred eighty-four billion, five hundred five million, three hundred ninety-four thousand, two hundred nine".