5819864987 has 2 divisors, whose sum is σ = 5819864988. Its totient is φ = 5819864986.

The previous prime is 5819864951. The next prime is 5819864989. The reversal of 5819864987 is 7894689185.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5819864987 - 2¹⁶ = 5819799451 is a prime.

Together with 5819864989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5819864989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909932493 + 2909932494.

It is an arithmetic number, because the mean of its divisors is an integer number (2909932494).

Almost surely, 2^5819864987 is an apocalyptic number.

5819864987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5819864987 is an equidigital number, since it uses as much as digits as its factorization.

5819864987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 65.

The square root of 5819864987 is about 76288.0396064809. The cubic root of 5819864987 is about 1798.7506749547.

The spelling of 5819864987 in words is "five billion, eight hundred nineteen million, eight hundred sixty-four thousand, nine hundred eighty-seven".