2989605049 has 2 divisors, whose sum is σ = 2989605050. Its totient is φ = 2989605048.

The previous prime is 2989605043. The next prime is 2989605053. The reversal of 2989605049 is 9405069892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2755515049 + 234090000 = 52493^2 + 15300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2989605049 - 2⁹ = 2989604537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2989604987 and 2989605005.

It is not a weakly prime, because it can be changed into another prime (2989605043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494802524 + 1494802525.

It is an arithmetic number, because the mean of its divisors is an integer number (1494802525).

Almost surely, 2^2989605049 is an apocalyptic number.

It is an amenable number.

2989605049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989605049 is an equidigital number, since it uses as much as digits as its factorization.

2989605049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 2989605049 is about 54677.2809217869. The cubic root of 2989605049 is about 1440.5818522149.

The spelling of 2989605049 in words is "two billion, nine hundred eighty-nine million, six hundred five thousand, forty-nine".