2986999965 has 12 divisors (see below), whose sum is σ = 5177466684. Its totient is φ = 1593066624.

The previous prime is 2986999931. The next prime is 2986999969. The reversal of 2986999965 is 5699996892.

It can be written as a sum of positive squares in 2 ways, for example, as 957407364 + 2029592601 = 30942^2 + 45051^2 .

It is not a de Polignac number, because 2986999965 - 2⁶ = 2986999901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2986999893 and 2986999902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 11 ways as a sum of consecutive naturals, for example, 33188844 + ... + 33188933.

It is an arithmetic number, because the mean of its divisors is an integer number (431455557).

Almost surely, 2^2986999965 is an apocalyptic number.

It is an amenable number.

2986999965 is a deficient number, since it is larger than the sum of its proper divisors (2190466719).

2986999965 is a wasteful number, since it uses less digits than its factorization.

2986999965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66377788 (or 66377785 counting only the distinct ones).

The product of its digits is 170061120, while the sum is 72.

The square root of 2986999965 is about 54653.4533675595. The cubic root of 2986999965 is about 1440.1632988999.

The spelling of 2986999965 in words is "two billion, nine hundred eighty-six million, nine hundred ninety-nine thousand, nine hundred sixty-five".