49494839 has 2 divisors, whose sum is σ = 49494840. Its totient is φ = 49494838.

The previous prime is 49494833. The next prime is 49494869. The reversal of 49494839 is 93849494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49494839 - 2¹² = 49490743 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 (49494833) 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, 24747419 + 24747420.

It is an arithmetic number, because the mean of its divisors is an integer number (24747420).

Almost surely, 2^49494839 is an apocalyptic number.

49494839 is a deficient number, since it is larger than the sum of its proper divisors (1).

49494839 is an equidigital number, since it uses as much as digits as its factorization.

49494839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 49494839 is about 7035.2568538753. The cubic root of 49494839 is about 367.1582619206.

The spelling of 49494839 in words is "forty-nine million, four hundred ninety-four thousand, eight hundred thirty-nine".