47845299565 has 24 divisors (see below), whose sum is σ = 66870965880. Its totient is φ = 32767515648.

The previous prime is 47845299563. The next prime is 47845299571. The reversal of 47845299565 is 56599254874.

It can be written as a sum of positive squares in 4 ways, for example, as 25298174916 + 22547124649 = 159054^2 + 150157^2 .

It is not a de Polignac number, because 47845299565 - 2¹ = 47845299563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47845299497 and 47845299506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47845299563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77509 + ... + 318901.

It is an arithmetic number, because the mean of its divisors is an integer number (2786290245).

Almost surely, 2^47845299565 is an apocalyptic number.

It is an amenable number.

47845299565 is a deficient number, since it is larger than the sum of its proper divisors (19025666315).

47845299565 is a wasteful number, since it uses less digits than its factorization.

47845299565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242221 (or 242214 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 64.

The spelling of 47845299565 in words is "forty-seven billion, eight hundred forty-five million, two hundred ninety-nine thousand, five hundred sixty-five".