49839319 has 2 divisors, whose sum is σ = 49839320. Its totient is φ = 49839318.

The previous prime is 49839311. The next prime is 49839323. The reversal of 49839319 is 91393894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49839319 - 2³ = 49839311 is a prime.

It is a super-2 number, since 2×49839319² = 4967915436767522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49839311) 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, 24919659 + 24919660.

It is an arithmetic number, because the mean of its divisors is an integer number (24919660).

Almost surely, 2^49839319 is an apocalyptic number.

49839319 is a deficient number, since it is larger than the sum of its proper divisors (1).

49839319 is an equidigital number, since it uses as much as digits as its factorization.

49839319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 49839319 is about 7059.6968065208. The cubic root of 49839319 is about 368.0080904609.

The spelling of 49839319 in words is "forty-nine million, eight hundred thirty-nine thousand, three hundred nineteen".