4649191 has 2 divisors, whose sum is σ = 4649192. Its totient is φ = 4649190.

The previous prime is 4649189. The next prime is 4649201. The reversal of 4649191 is 1919464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4649191 - 2¹ = 4649189 is a prime.

It is a super-2 number, since 2×4649191² = 43229953908962, which contains 22 as substring.

Together with 4649189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4649171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324595 + 2324596.

It is an arithmetic number, because the mean of its divisors is an integer number (2324596).

Almost surely, 2^4649191 is an apocalyptic number.

4649191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649191 is an equidigital number, since it uses as much as digits as its factorization.

4649191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 4649191 is about 2156.1982747419. The cubic root of 4649191 is about 166.9010732778.

It can be divided in two parts, 464 and 9191, that multiplied together give a palindrome (4264624).

The spelling of 4649191 in words is "four million, six hundred forty-nine thousand, one hundred ninety-one".