2986999969 has 2 divisors, whose sum is σ = 2986999970. Its totient is φ = 2986999968.

The previous prime is 2986999931. The next prime is 2986999979. The reversal of 2986999969 is 9699996892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2438878225 + 548121744 = 49385^2 + 23412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2986999969 - 2²⁷ = 2852782241 is a prime.

It is a super-2 number, since 2×2986999969² = 17844337629612001922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2986999895 and 2986999904.

It is not a weakly prime, because it can be changed into another prime (2986999979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493499984 + 1493499985.

It is an arithmetic number, because the mean of its divisors is an integer number (1493499985).

Almost surely, 2^2986999969 is an apocalyptic number.

It is an amenable number.

2986999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986999969 is an equidigital number, since it uses as much as digits as its factorization.

2986999969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306110016, while the sum is 76.

The square root of 2986999969 is about 54653.4534041537. The cubic root of 2986999969 is about 1440.1632995427.

The spelling of 2986999969 in words is "two billion, nine hundred eighty-six million, nine hundred ninety-nine thousand, nine hundred sixty-nine".