47969994796471 has 4 divisors (see below), whose sum is σ = 52330903414344. Its totient is φ = 43609086178600.

The previous prime is 47969994796453. The next prime is 47969994796483. The reversal of 47969994796471 is 17469749996974.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47969994796471 - 2⁵ = 47969994796439 is a prime.

It is a super-3 number, since 3×47969994796471³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47969994797471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180454308920 + ... + 2180454308941.

It is an arithmetic number, because the mean of its divisors is an integer number (13082725853586).

Almost surely, 2^{47969994796471} is an apocalyptic number.

47969994796471 is a deficient number, since it is larger than the sum of its proper divisors (4360908617873).

47969994796471 is a wasteful number, since it uses less digits than its factorization.

47969994796471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360908617872.

The product of its digits is 46664771328, while the sum is 91.

The spelling of 47969994796471 in words is "forty-seven trillion, nine hundred sixty-nine billion, nine hundred ninety-four million, seven hundred ninety-six thousand, four hundred seventy-one".