49310309 has 2 divisors, whose sum is σ = 49310310. Its totient is φ = 49310308.

The previous prime is 49310297. The next prime is 49310311. The reversal of 49310309 is 90301394.

49310309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28058209 + 21252100 = 5297^2 + 4610^2 .

It is a cyclic number.

It is not a de Polignac number, because 49310309 - 2²⁴ = 32533093 is a prime.

Together with 49310311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49310329) 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 as a sum of consecutive naturals, namely, 24655154 + 24655155.

It is an arithmetic number, because the mean of its divisors is an integer number (24655155).

Almost surely, 2^49310309 is an apocalyptic number.

It is an amenable number.

49310309 is a deficient number, since it is larger than the sum of its proper divisors (1).

49310309 is an equidigital number, since it uses as much as digits as its factorization.

49310309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 49310309 is about 7022.1299475302. The cubic root of 49310309 is about 366.7014056159.

The spelling of 49310309 in words is "forty-nine million, three hundred ten thousand, three hundred nine".