4947128049383 has 4 divisors (see below), whose sum is σ = 5327676360888. Its totient is φ = 4566579737880.

The previous prime is 4947128049379. The next prime is 4947128049407. The reversal of 4947128049383 is 3839408217494.

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 4947128049383 - 2² = 4947128049379 is a prime.

It is a super-3 number, since 3×4947128049383³ (a number of 39 digits) contains 333 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 (4947128049373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190274155733 + ... + 190274155758.

It is an arithmetic number, because the mean of its divisors is an integer number (1331919090222).

Almost surely, 2^{4947128049383} is an apocalyptic number.

4947128049383 is a deficient number, since it is larger than the sum of its proper divisors (380548311505).

4947128049383 is a wasteful number, since it uses less digits than its factorization.

4947128049383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380548311504.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 4947128049383 in words is "four trillion, nine hundred forty-seven billion, one hundred twenty-eight million, forty-nine thousand, three hundred eighty-three".