49918259 has 2 divisors, whose sum is σ = 49918260. Its totient is φ = 49918258.

The previous prime is 49918247. The next prime is 49918331. The reversal of 49918259 is 95281994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49918259 - 2⁴ = 49918243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49911259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24959129 + 24959130.

It is an arithmetic number, because the mean of its divisors is an integer number (24959130).

Almost surely, 2^49918259 is an apocalyptic number.

49918259 is a deficient number, since it is larger than the sum of its proper divisors (1).

49918259 is an equidigital number, since it uses as much as digits as its factorization.

49918259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 49918259 is about 7065.2854860933. The cubic root of 49918259 is about 368.2022827512.

The spelling of 49918259 in words is "forty-nine million, nine hundred eighteen thousand, two hundred fifty-nine".