49408019 has 2 divisors, whose sum is σ = 49408020. Its totient is φ = 49408018.

The previous prime is 49407997. The next prime is 49408027. The reversal of 49408019 is 91080494.

49408019 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49408019 is a prime.

It is a super-2 number, since 2×49408019² = 4882304683008722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49408019.

It is not a weakly prime, because it can be changed into another prime (49408049) 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, 24704009 + 24704010.

It is an arithmetic number, because the mean of its divisors is an integer number (24704010).

Almost surely, 2^49408019 is an apocalyptic number.

49408019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49408019 is an equidigital number, since it uses as much as digits as its factorization.

49408019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 49408019 is about 7029.0837952040. The cubic root of 49408019 is about 366.9434561101.

The spelling of 49408019 in words is "forty-nine million, four hundred eight thousand, nineteen".