49182109 has 2 divisors, whose sum is σ = 49182110. Its totient is φ = 49182108.

The previous prime is 49182097. The next prime is 49182131. The reversal of 49182109 is 90128194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 6017209 = 6570^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 49182109 - 2⁹ = 49181597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49182149) 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, 24591054 + 24591055.

It is an arithmetic number, because the mean of its divisors is an integer number (24591055).

Almost surely, 2^49182109 is an apocalyptic number.

It is an amenable number.

49182109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49182109 is an equidigital number, since it uses as much as digits as its factorization.

49182109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 49182109 is about 7012.9957222288. The cubic root of 49182109 is about 366.3833387930.

The spelling of 49182109 in words is "forty-nine million, one hundred eighty-two thousand, one hundred nine".