48199309 has 2 divisors, whose sum is σ = 48199310. Its totient is φ = 48199308.

The previous prime is 48199303. The next prime is 48199339. The reversal of 48199309 is 90399184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42863209 + 5336100 = 6547^2 + 2310^2 .

It is a cyclic number.

It is not a de Polignac number, because 48199309 - 2⁹ = 48198797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48199303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24099654 + 24099655.

It is an arithmetic number, because the mean of its divisors is an integer number (24099655).

Almost surely, 2^48199309 is an apocalyptic number.

It is an amenable number.

48199309 is a deficient number, since it is larger than the sum of its proper divisors (1).

48199309 is an equidigital number, since it uses as much as digits as its factorization.

48199309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 48199309 is about 6942.5722178455. The cubic root of 48199309 is about 363.9264357435.

The spelling of 48199309 in words is "forty-eight million, one hundred ninety-nine thousand, three hundred nine".