47065565184389 has 4 divisors (see below), whose sum is σ = 47302075562400. Its totient is φ = 46829054806380.

The previous prime is 47065565184361. The next prime is 47065565184413. The reversal of 47065565184389 is 98348156556074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47065565184389 is a prime.

It is a super-2 number, since 2×47065565184389² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47065565184089) 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, 118255188707 + ... + 118255189104.

It is an arithmetic number, because the mean of its divisors is an integer number (11825518890600).

Almost surely, 2^{47065565184389} is an apocalyptic number.

It is an amenable number.

47065565184389 is a deficient number, since it is larger than the sum of its proper divisors (236510378011).

47065565184389 is a wasteful number, since it uses less digits than its factorization.

47065565184389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236510378010.

The product of its (nonzero) digits is 870912000, while the sum is 71.

The spelling of 47065565184389 in words is "forty-seven trillion, sixty-five billion, five hundred sixty-five million, one hundred eighty-four thousand, three hundred eighty-nine".