49915319 has 2 divisors, whose sum is σ = 49915320. Its totient is φ = 49915318.

The previous prime is 49915309. The next prime is 49915321. The reversal of 49915319 is 91351994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49915319 - 2¹² = 49911223 is a prime.

It is a super-2 number, since 2×49915319² = 4983078141743522, which contains 22 as substring.

Together with 49915321, 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 (49915309) 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, 24957659 + 24957660.

It is an arithmetic number, because the mean of its divisors is an integer number (24957660).

Almost surely, 2^49915319 is an apocalyptic number.

49915319 is a deficient number, since it is larger than the sum of its proper divisors (1).

49915319 is an equidigital number, since it uses as much as digits as its factorization.

49915319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 49915319 is about 7065.0774234965. The cubic root of 49915319 is about 368.1950540271.

The spelling of 49915319 in words is "forty-nine million, nine hundred fifteen thousand, three hundred nineteen".