2428917191 has 2 divisors, whose sum is σ = 2428917192. Its totient is φ = 2428917190.

The previous prime is 2428917187. The next prime is 2428917209. The reversal of 2428917191 is 1917198242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2428917191 - 2² = 2428917187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2428917131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214458595 + 1214458596.

It is an arithmetic number, because the mean of its divisors is an integer number (1214458596).

Almost surely, 2^2428917191 is an apocalyptic number.

2428917191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428917191 is an equidigital number, since it uses as much as digits as its factorization.

2428917191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 2428917191 is about 49284.0460088252. The cubic root of 2428917191 is about 1344.2217027190.

The spelling of 2428917191 in words is "two billion, four hundred twenty-eight million, nine hundred seventeen thousand, one hundred ninety-one".