4891774579 has 2 divisors, whose sum is σ = 4891774580. Its totient is φ = 4891774578.

The previous prime is 4891774541. The next prime is 4891774609. The reversal of 4891774579 is 9754771984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4891774579 - 2¹¹ = 4891772531 is a prime.

It is not a weakly prime, because it can be changed into another prime (4891714579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445887289 + 2445887290.

It is an arithmetic number, because the mean of its divisors is an integer number (2445887290).

Almost surely, 2^4891774579 is an apocalyptic number.

4891774579 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891774579 is an equidigital number, since it uses as much as digits as its factorization.

4891774579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 61.

The square root of 4891774579 is about 69941.2223155987. Note that the first 3 decimals coincide. The cubic root of 4891774579 is about 1697.5483205308.

The spelling of 4891774579 in words is "four billion, eight hundred ninety-one million, seven hundred seventy-four thousand, five hundred seventy-nine".