986742319 has 2 divisors, whose sum is σ = 986742320. Its totient is φ = 986742318.

The previous prime is 986742301. The next prime is 986742391. The reversal of 986742319 is 913247689.

Together with next prime (986742391) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (913247689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986742319 - 2⁷ = 986742191 is a prime.

It is a super-2 number, since 2×986742319² = 1947320808210995522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986442319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493371159 + 493371160.

It is an arithmetic number, because the mean of its divisors is an integer number (493371160).

Almost surely, 2^986742319 is an apocalyptic number.

986742319 is a deficient number, since it is larger than the sum of its proper divisors (1).

986742319 is an equidigital number, since it uses as much as digits as its factorization.

986742319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 986742319 is about 31412.4548388056. The cubic root of 986742319 is about 995.5610983062.

The spelling of 986742319 in words is "nine hundred eighty-six million, seven hundred forty-two thousand, three hundred nineteen".