5171888309 has 12 divisors (see below), whose sum is σ = 6044803488. Its totient is φ = 4412028600.

The previous prime is 5171888279. The next prime is 5171888327. The reversal of 5171888309 is 9038881715.

It is a de Polignac number, because none of the positive numbers 2^k-5171888309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171887309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239777 + ... + 260454.

It is an arithmetic number, because the mean of its divisors is an integer number (503733624).

Almost surely, 2^5171888309 is an apocalyptic number.

It is an amenable number.

5171888309 is a deficient number, since it is larger than the sum of its proper divisors (872915179).

5171888309 is a wasteful number, since it uses less digits than its factorization.

5171888309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500456 (or 500449 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The square root of 5171888309 is about 71915.8418500402. The cubic root of 5171888309 is about 1729.3505875529.

The spelling of 5171888309 in words is "five billion, one hundred seventy-one million, eight hundred eighty-eight thousand, three hundred nine".