49999219 has 8 divisors (see below), whose sum is σ = 52497360. Its totient is φ = 47552736.

The previous prime is 49999207. The next prime is 49999231. The reversal of 49999219 is 91299994.

It is an interprime number because it is at equal distance from previous prime (49999207) and next prime (49999231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49999219 is a prime.

It is a super-2 number, since 2×49999219² = 4999843801219922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49999289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10924 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (6562170).

Almost surely, 2^49999219 is an apocalyptic number.

49999219 is a deficient number, since it is larger than the sum of its proper divisors (2498141).

49999219 is a wasteful number, since it uses less digits than its factorization.

49999219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25829.

The product of its digits is 472392, while the sum is 52.

The square root of 49999219 is about 7071.0125866102. The cubic root of 49999219 is about 368.4012317017.

The spelling of 49999219 in words is "forty-nine million, nine hundred ninety-nine thousand, two hundred nineteen".