4841991161 has 4 divisors (see below), whose sum is σ = 5533704192. Its totient is φ = 4150278132.

The previous prime is 4841991157. The next prime is 4841991163. The reversal of 4841991161 is 1611991484.

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 not a de Polignac number, because 4841991161 - 2² = 4841991157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4841991163) 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, 345856505 + ... + 345856518.

It is an arithmetic number, because the mean of its divisors is an integer number (1383426048).

Almost surely, 2^4841991161 is an apocalyptic number.

It is an amenable number.

4841991161 is a deficient number, since it is larger than the sum of its proper divisors (691713031).

4841991161 is an equidigital number, since it uses as much as digits as its factorization.

4841991161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691713030.

The product of its digits is 62208, while the sum is 44.

The square root of 4841991161 is about 69584.4175157053. The cubic root of 4841991161 is about 1691.7700443327.

The spelling of 4841991161 in words is "four billion, eight hundred forty-one million, nine hundred ninety-one thousand, one hundred sixty-one".