4891532879 has 2 divisors, whose sum is σ = 4891532880. Its totient is φ = 4891532878.

The previous prime is 4891532857. The next prime is 4891532887. The reversal of 4891532879 is 9782351984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4891532879 - 2⁸ = 4891532623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4891532809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445766439 + 2445766440.

It is an arithmetic number, because the mean of its divisors is an integer number (2445766440).

Almost surely, 2^4891532879 is an apocalyptic number.

4891532879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891532879 is an equidigital number, since it uses as much as digits as its factorization.

4891532879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The square root of 4891532879 is about 69939.4944148154. The cubic root of 4891532879 is about 1697.5203617481.

The spelling of 4891532879 in words is "four billion, eight hundred ninety-one million, five hundred thirty-two thousand, eight hundred seventy-nine".