4747945993 has 12 divisors (see below), whose sum is σ = 5531153232. Its totient is φ = 4063749480.

The previous prime is 4747945987. The next prime is 4747946017. The reversal of 4747945993 is 3995497474.

4747945993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4747945993 - 2²¹ = 4745848841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4747945903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36255 + ... + 103972.

It is an arithmetic number, because the mean of its divisors is an integer number (460929436).

Almost surely, 2^4747945993 is an apocalyptic number.

It is an amenable number.

4747945993 is a deficient number, since it is larger than the sum of its proper divisors (783207239).

4747945993 is a wasteful number, since it uses less digits than its factorization.

4747945993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140932 (or 140925 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 61.

The square root of 4747945993 is about 68905.3408162241. The cubic root of 4747945993 is about 1680.7453694828.

The spelling of 4747945993 in words is "four billion, seven hundred forty-seven million, nine hundred forty-five thousand, nine hundred ninety-three".