2986999979 has 2 divisors, whose sum is σ = 2986999980. Its totient is φ = 2986999978.

The previous prime is 2986999969. The next prime is 2986999987. The reversal of 2986999979 is 9799996892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2986999979 - 2⁸ = 2986999723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2986999969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493499989 + 1493499990.

It is an arithmetic number, because the mean of its divisors is an integer number (1493499990).

Almost surely, 2^2986999979 is an apocalyptic number.

2986999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986999979 is an equidigital number, since it uses as much as digits as its factorization.

2986999979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357128352, while the sum is 77.

The square root of 2986999979 is about 54653.4534956392. The cubic root of 2986999979 is about 1440.1633011499.

The spelling of 2986999979 in words is "two billion, nine hundred eighty-six million, nine hundred ninety-nine thousand, nine hundred seventy-nine".