2989566137 has 2 divisors, whose sum is σ = 2989566138. Its totient is φ = 2989566136.

The previous prime is 2989566133. The next prime is 2989566143. The reversal of 2989566137 is 7316659892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2235020176 + 754545961 = 47276^2 + 27469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2989566137 - 2² = 2989566133 is a prime.

It is not a weakly prime, because it can be changed into another prime (2989566133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494783068 + 1494783069.

It is an arithmetic number, because the mean of its divisors is an integer number (1494783069).

Almost surely, 2^2989566137 is an apocalyptic number.

It is an amenable number.

2989566137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989566137 is an equidigital number, since it uses as much as digits as its factorization.

2989566137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The square root of 2989566137 is about 54676.9250872797. The cubic root of 2989566137 is about 1440.5756020956.

The spelling of 2989566137 in words is "two billion, nine hundred eighty-nine million, five hundred sixty-six thousand, one hundred thirty-seven".