6191149 has 4 divisors (see below), whose sum is σ = 6219136. Its totient is φ = 6163164.

The previous prime is 6191147. The next prime is 6191153. The reversal of 6191149 is 9411916.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6191149 - 2¹ = 6191147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6191149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6191147) 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 in 3 ways as a sum of consecutive naturals, for example, 13659 + ... + 14104.

It is an arithmetic number, because the mean of its divisors is an integer number (1554784).

Almost surely, 2^6191149 is an apocalyptic number.

It is an amenable number.

6191149 is a deficient number, since it is larger than the sum of its proper divisors (27987).

6191149 is a wasteful number, since it uses less digits than its factorization.

6191149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986.

The product of its digits is 1944, while the sum is 31.

The square root of 6191149 is about 2488.2019612564. The cubic root of 6191149 is about 183.6215935384.

The spelling of 6191149 in words is "six million, one hundred ninety-one thousand, one hundred forty-nine".