4191192049 has 4 divisors (see below), whose sum is σ = 4572209520. Its totient is φ = 3810174580.

The previous prime is 4191192023. The next prime is 4191192059. The reversal of 4191192049 is 9402911914.

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 4191192049 - 2²⁷ = 4056974321 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4191192059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190508719 + ... + 190508740.

It is an arithmetic number, because the mean of its divisors is an integer number (1143052380).

Almost surely, 2^4191192049 is an apocalyptic number.

It is an amenable number.

4191192049 is a deficient number, since it is larger than the sum of its proper divisors (381017471).

4191192049 is a wasteful number, since it uses less digits than its factorization.

4191192049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381017470.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 4191192049 is about 64739.4165018499. The cubic root of 4191192049 is about 1612.2999995041.

The spelling of 4191192049 in words is "four billion, one hundred ninety-one million, one hundred ninety-two thousand, forty-nine".