48419309 has 2 divisors, whose sum is σ = 48419310. Its totient is φ = 48419308.

The previous prime is 48419227. The next prime is 48419351. The reversal of 48419309 is 90391484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46199209 + 2220100 = 6797^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 48419309 - 2⁸ = 48419053 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48419389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24209654 + 24209655.

It is an arithmetic number, because the mean of its divisors is an integer number (24209655).

Almost surely, 2^48419309 is an apocalyptic number.

It is an amenable number.

48419309 is a deficient number, since it is larger than the sum of its proper divisors (1).

48419309 is an equidigital number, since it uses as much as digits as its factorization.

48419309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 48419309 is about 6958.3984507931. The cubic root of 48419309 is about 364.4792950518.

The spelling of 48419309 in words is "forty-eight million, four hundred nineteen thousand, three hundred nine".