49349191 has 4 divisors (see below), whose sum is σ = 51494832. Its totient is φ = 47203552.

The previous prime is 49349177. The next prime is 49349197. The reversal of 49349191 is 19194394.

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 49349191 - 2⁵ = 49349159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49349197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072786 + ... + 1072831.

It is an arithmetic number, because the mean of its divisors is an integer number (12873708).

Almost surely, 2^49349191 is an apocalyptic number.

49349191 is a deficient number, since it is larger than the sum of its proper divisors (2145641).

49349191 is a wasteful number, since it uses less digits than its factorization.

49349191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145640.

The product of its digits is 34992, while the sum is 40.

The square root of 49349191 is about 7024.8979352016. The cubic root of 49349191 is about 366.7977636825.

The spelling of 49349191 in words is "forty-nine million, three hundred forty-nine thousand, one hundred ninety-one".