4891574287 has 2 divisors, whose sum is σ = 4891574288. Its totient is φ = 4891574286.

The previous prime is 4891574239. The next prime is 4891574293. The reversal of 4891574287 is 7824751984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4891574287 - 2²⁷ = 4757356559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4891574087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445787143 + 2445787144.

It is an arithmetic number, because the mean of its divisors is an integer number (2445787144).

Almost surely, 2^4891574287 is an apocalyptic number.

4891574287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891574287 is an equidigital number, since it uses as much as digits as its factorization.

4891574287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 55.

The square root of 4891574287 is about 69939.7904414933. The cubic root of 4891574287 is about 1697.5251517071.

The spelling of 4891574287 in words is "four billion, eight hundred ninety-one million, five hundred seventy-four thousand, two hundred eighty-seven".