49135109 has 2 divisors, whose sum is σ = 49135110. Its totient is φ = 49135108.

The previous prime is 49135067. The next prime is 49135123. The reversal of 49135109 is 90153194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47914084 + 1221025 = 6922^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49135109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49135139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24567554 + 24567555.

It is an arithmetic number, because the mean of its divisors is an integer number (24567555).

Almost surely, 2^49135109 is an apocalyptic number.

It is an amenable number.

49135109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49135109 is an equidigital number, since it uses as much as digits as its factorization.

49135109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 49135109 is about 7009.6439995195. The cubic root of 49135109 is about 366.2665923750.

The spelling of 49135109 in words is "forty-nine million, one hundred thirty-five thousand, one hundred nine".