5117747841 has 6 divisors (see below), whose sum is σ = 7392302450. Its totient is φ = 3411831888.

The previous prime is 5117747783. The next prime is 5117747857. The reversal of 5117747841 is 1487477115.

5117747841 is a `hidden beast` number, since 5 + 1 + 177 + 478 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5079555441 + 38192400 = 71271^2 + 6180^2 .

It is not a de Polignac number, because 5117747841 - 2⁹ = 5117747329 is a prime.

It is a super-2 number, since 2×5117747841² = 52382685928120322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5117747741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284319316 + ... + 284319333.

Almost surely, 2^5117747841 is an apocalyptic number.

It is an amenable number.

5117747841 is a deficient number, since it is larger than the sum of its proper divisors (2274554609).

5117747841 is a wasteful number, since it uses less digits than its factorization.

5117747841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568638655 (or 568638652 counting only the distinct ones).

The product of its digits is 219520, while the sum is 45.

The square root of 5117747841 is about 71538.4361095488. The cubic root of 5117747841 is about 1723.2949998852.

The spelling of 5117747841 in words is "five billion, one hundred seventeen million, seven hundred forty-seven thousand, eight hundred forty-one".