5165546189 has 2 divisors, whose sum is σ = 5165546190. Its totient is φ = 5165546188.

The previous prime is 5165546179. The next prime is 5165546201. The reversal of 5165546189 is 9816455615.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5163572164 + 1974025 = 71858^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165546189 - 2⁸ = 5165545933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165546119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582773094 + 2582773095.

It is an arithmetic number, because the mean of its divisors is an integer number (2582773095).

Almost surely, 2^5165546189 is an apocalyptic number.

It is an amenable number.

5165546189 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165546189 is an equidigital number, since it uses as much as digits as its factorization.

5165546189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 50.

The square root of 5165546189 is about 71871.7342840703. The cubic root of 5165546189 is about 1728.6434161111.

The spelling of 5165546189 in words is "five billion, one hundred sixty-five million, five hundred forty-six thousand, one hundred eighty-nine".