5117947305 has 16 divisors (see below), whose sum is σ = 8263844160. Its totient is φ = 2704529088.

The previous prime is 5117947283. The next prime is 5117947309. The reversal of 5117947305 is 5037497115.

It is not a de Polignac number, because 5117947305 - 2⁸ = 5117947049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5117947309) 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, 1563487 + ... + 1566756.

It is an arithmetic number, because the mean of its divisors is an integer number (516490260).

Almost surely, 2^5117947305 is an apocalyptic number.

It is an amenable number.

5117947305 is a deficient number, since it is larger than the sum of its proper divisors (3145896855).

5117947305 is a wasteful number, since it uses less digits than its factorization.

5117947305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130360.

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 5117947305 is about 71539.8301996867. The cubic root of 5117947305 is about 1723.3173880436.

The spelling of 5117947305 in words is "five billion, one hundred seventeen million, nine hundred forty-seven thousand, three hundred five".