47646616205 has 4 divisors (see below), whose sum is σ = 57175939452. Its totient is φ = 38117292960.

The previous prime is 47646616201. The next prime is 47646616321. The reversal of 47646616205 is 50261664674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19491789769 + 28154826436 = 139613^2 + 167794^2 .

It is not a de Polignac number, because 47646616205 - 2² = 47646616201 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 47646616205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47646616201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4764661616 + ... + 4764661625.

It is an arithmetic number, because the mean of its divisors is an integer number (14293984863).

Almost surely, 2^47646616205 is an apocalyptic number.

It is an amenable number.

47646616205 is a deficient number, since it is larger than the sum of its proper divisors (9529323247).

47646616205 is an equidigital number, since it uses as much as digits as its factorization.

47646616205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529323246.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 47646616205 in words is "forty-seven billion, six hundred forty-six million, six hundred sixteen thousand, two hundred five".