47338724585 has 4 divisors (see below), whose sum is σ = 56806469508. Its totient is φ = 37870979664.

The previous prime is 47338724581. The next prime is 47338724597. The reversal of 47338724585 is 58542783374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58542783374 = 2 ⋅29271391687.

It can be written as a sum of positive squares in 2 ways, for example, as 9986204761 + 37352519824 = 99931^2 + 193268^2 .

It is a cyclic number.

It is not a de Polignac number, because 47338724585 - 2² = 47338724581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47338724585.

It is not an unprimeable number, because it can be changed into a prime (47338724581) 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 3 ways as a sum of consecutive naturals, for example, 4733872454 + ... + 4733872463.

It is an arithmetic number, because the mean of its divisors is an integer number (14201617377).

Almost surely, 2^47338724585 is an apocalyptic number.

It is an amenable number.

47338724585 is a deficient number, since it is larger than the sum of its proper divisors (9467744923).

47338724585 is an equidigital number, since it uses as much as digits as its factorization.

47338724585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467744922.

The product of its digits is 22579200, while the sum is 56.

The spelling of 47338724585 in words is "forty-seven billion, three hundred thirty-eight million, seven hundred twenty-four thousand, five hundred eighty-five".