5147988905 has 8 divisors (see below), whose sum is σ = 6328259784. Its totient is φ = 4017942400.

The previous prime is 5147988871. The next prime is 5147988907. The reversal of 5147988905 is 5098897415.

It can be written as a sum of positive squares in 4 ways, for example, as 396368281 + 4751620624 = 19909^2 + 68932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5147988905 - 2¹⁰ = 5147987881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5147988907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12555866 + ... + 12556275.

It is an arithmetic number, because the mean of its divisors is an integer number (791032473).

Almost surely, 2^5147988905 is an apocalyptic number.

It is an amenable number.

5147988905 is a deficient number, since it is larger than the sum of its proper divisors (1180270879).

5147988905 is a wasteful number, since it uses less digits than its factorization.

5147988905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25112187.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The square root of 5147988905 is about 71749.4871410242. The cubic root of 5147988905 is about 1726.6826854396.

The spelling of 5147988905 in words is "five billion, one hundred forty-seven million, nine hundred eighty-eight thousand, nine hundred five".