49419917 has 2 divisors, whose sum is σ = 49419918. Its totient is φ = 49419916.

The previous prime is 49419863. The next prime is 49419919. The reversal of 49419917 is 71991494.

It is a happy number.

49419917 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., 38700841 + 10719076 = 6221^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 49419917 - 2¹⁰ = 49418893 is a prime.

Together with 49419919, 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 (49419919) 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, 24709958 + 24709959.

It is an arithmetic number, because the mean of its divisors is an integer number (24709959).

Almost surely, 2^49419917 is an apocalyptic number.

It is an amenable number.

49419917 is a deficient number, since it is larger than the sum of its proper divisors (1).

49419917 is an equidigital number, since it uses as much as digits as its factorization.

49419917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 49419917 is about 7029.9300850008. The cubic root of 49419917 is about 366.9729084333.

The spelling of 49419917 in words is "forty-nine million, four hundred nineteen thousand, nine hundred seventeen".