5168032409 has 2 divisors, whose sum is σ = 5168032410. Its totient is φ = 5168032408.

The previous prime is 5168032381. The next prime is 5168032447. The reversal of 5168032409 is 9042308615.

It is a happy number.

It is an a-pointer prime, because the next prime (5168032447) can be obtained adding 5168032409 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2668032409 + 2500000000 = 51653^2 + 50000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5168032409 is a prime.

It is not a weakly prime, because it can be changed into another prime (5168032459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584016204 + 2584016205.

It is an arithmetic number, because the mean of its divisors is an integer number (2584016205).

Almost surely, 2^5168032409 is an apocalyptic number.

It is an amenable number.

5168032409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5168032409 is an equidigital number, since it uses as much as digits as its factorization.

5168032409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5168032409 is about 71889.0284327170. The cubic root of 5168032409 is about 1728.9207084077.

The spelling of 5168032409 in words is "five billion, one hundred sixty-eight million, thirty-two thousand, four hundred nine".