2606162989 has 2 divisors, whose sum is σ = 2606162990. Its totient is φ = 2606162988.

The previous prime is 2606162983. The next prime is 2606163037. The reversal of 2606162989 is 9892616062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2472575625 + 133587364 = 49725^2 + 11558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2606162989 - 2⁷ = 2606162861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2606162983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303081494 + 1303081495.

It is an arithmetic number, because the mean of its divisors is an integer number (1303081495).

Almost surely, 2^2606162989 is an apocalyptic number.

It is an amenable number.

2606162989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606162989 is an equidigital number, since it uses as much as digits as its factorization.

2606162989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 2606162989 is about 51050.5924451421. The cubic root of 2606162989 is about 1376.1544885035.

The spelling of 2606162989 in words is "two billion, six hundred six million, one hundred sixty-two thousand, nine hundred eighty-nine".