47993865973 has 16 divisors (see below), whose sum is σ = 49644524160. Its totient is φ = 46376006976.

The previous prime is 47993865947. The next prime is 47993866003. The reversal of 47993865973 is 37956839974.

47993865973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47993865973 - 2²⁵ = 47960311541 is a prime.

It is a super-2 number, since 2×47993865973² (a number of 22 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 (47993865923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939886 + ... + 989632.

It is an arithmetic number, because the mean of its divisors is an integer number (3102782760).

Almost surely, 2^47993865973 is an apocalyptic number.

It is an amenable number.

47993865973 is a deficient number, since it is larger than the sum of its proper divisors (1650658187).

47993865973 is a wasteful number, since it uses less digits than its factorization.

47993865973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50076.

The product of its digits is 308629440, while the sum is 70.

The spelling of 47993865973 in words is "forty-seven billion, nine hundred ninety-three million, eight hundred sixty-five thousand, nine hundred seventy-three".