49031219 has 4 divisors (see below), whose sum is σ = 49054896. Its totient is φ = 49007544.

The previous prime is 49031207. The next prime is 49031221. The reversal of 49031219 is 91213094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49031219 - 2¹² = 49027123 is a prime.

It is a super-2 number, since 2×49031219² = 4808120873251922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49031191 and 49031200.

It is not an unprimeable number, because it can be changed into a prime (49001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8399 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (12263724).

Almost surely, 2^49031219 is an apocalyptic number.

49031219 is a deficient number, since it is larger than the sum of its proper divisors (23677).

49031219 is a wasteful number, since it uses less digits than its factorization.

49031219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23676.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 49031219 is about 7002.2295735001. The cubic root of 49031219 is about 366.0082686975.

The spelling of 49031219 in words is "forty-nine million, thirty-one thousand, two hundred nineteen".