49404919 has 2 divisors, whose sum is σ = 49404920. Its totient is φ = 49404918.

The previous prime is 49404871. The next prime is 49404931. The reversal of 49404919 is 91940494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49404919 - 2⁷ = 49404791 is a prime.

It is a super-2 number, since 2×49404919² = 4881692042793122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49405919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24702459 + 24702460.

It is an arithmetic number, because the mean of its divisors is an integer number (24702460).

Almost surely, 2^49404919 is an apocalyptic number.

49404919 is a deficient number, since it is larger than the sum of its proper divisors (1).

49404919 is an equidigital number, since it uses as much as digits as its factorization.

49404919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 49404919 is about 7028.8632793646. The cubic root of 49404919 is about 366.9357815900.

The spelling of 49404919 in words is "forty-nine million, four hundred four thousand, nine hundred nineteen".