47471605547 has 4 divisors (see below), whose sum is σ = 47545664856. Its totient is φ = 47397546240.

The previous prime is 47471605459. The next prime is 47471605589. The reversal of 47471605547 is 74550617474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74550617474 = 2 ⋅37275308737.

It is a cyclic number.

It is not a de Polignac number, because 47471605547 - 2²⁴ = 47454828331 is a prime.

It is a super-2 number, since 2×47471605547² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47471605495 and 47471605504.

It is not an unprimeable number, because it can be changed into a prime (47471601547) 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, 37028693 + ... + 37029974.

It is an arithmetic number, because the mean of its divisors is an integer number (11886416214).

Almost surely, 2^47471605547 is an apocalyptic number.

47471605547 is a deficient number, since it is larger than the sum of its proper divisors (74059309).

47471605547 is an equidigital number, since it uses as much as digits as its factorization.

47471605547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74059308.

The product of its (nonzero) digits is 3292800, while the sum is 50.

The spelling of 47471605547 in words is "forty-seven billion, four hundred seventy-one million, six hundred five thousand, five hundred forty-seven".