47293145494856 has 16 divisors (see below), whose sum is σ = 88928729893500. Its totient is φ = 23578817523264.

The previous prime is 47293145494817. The next prime is 47293145495021. The reversal of 47293145494856 is 65849454139274.

It can be written as a sum of positive squares in 2 ways, for example, as 45846576420100 + 1446569074756 = 6771010^2 + 1202734^2 .

It is a super-3 number, since 3×47293145494856³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 47293145494856.

It is an unprimeable number.

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, 8469400055 + ... + 8469405638.

Almost surely, 2^{47293145494856} is an apocalyptic number.

It is an amenable number.

47293145494856 is a deficient number, since it is larger than the sum of its proper divisors (41635584398644).

47293145494856 is a wasteful number, since it uses less digits than its factorization.

47293145494856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938806048 (or 16938806044 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 71.

The spelling of 47293145494856 in words is "forty-seven trillion, two hundred ninety-three billion, one hundred forty-five million, four hundred ninety-four thousand, eight hundred fifty-six".