7984986329 has 2 divisors, whose sum is σ = 7984986330. Its totient is φ = 7984986328.

The previous prime is 7984986313. The next prime is 7984986349. The reversal of 7984986329 is 9236894897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4910505625 + 3074480704 = 70075^2 + 55448^2 .

It is a cyclic number.

It is not a de Polignac number, because 7984986329 - 2⁴ = 7984986313 is a prime.

It is not a weakly prime, because it can be changed into another prime (7984986349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992493164 + 3992493165.

It is an arithmetic number, because the mean of its divisors is an integer number (3992493165).

Almost surely, 2^7984986329 is an apocalyptic number.

It is an amenable number.

7984986329 is a deficient number, since it is larger than the sum of its proper divisors (1).

7984986329 is an equidigital number, since it uses as much as digits as its factorization.

7984986329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 65.

The square root of 7984986329 is about 89358.7507130667. The cubic root of 7984986329 is about 1998.7480772582.

The spelling of 7984986329 in words is "seven billion, nine hundred eighty-four million, nine hundred eighty-six thousand, three hundred twenty-nine".