2986967849 has 2 divisors, whose sum is σ = 2986967850. Its totient is φ = 2986967848.

The previous prime is 2986967843. The next prime is 2986967869. The reversal of 2986967849 is 9487696892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2365363225 + 621604624 = 48635^2 + 24932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2986967849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2986967843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493483924 + 1493483925.

It is an arithmetic number, because the mean of its divisors is an integer number (1493483925).

Almost surely, 2^2986967849 is an apocalyptic number.

It is an amenable number.

2986967849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986967849 is an equidigital number, since it uses as much as digits as its factorization.

2986967849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 68.

The square root of 2986967849 is about 54653.1595518502. The cubic root of 2986967849 is about 1440.1581373720.

The spelling of 2986967849 in words is "two billion, nine hundred eighty-six million, nine hundred sixty-seven thousand, eight hundred forty-nine".