2009741497 has 2 divisors, whose sum is σ = 2009741498. Its totient is φ = 2009741496.

The previous prime is 2009741491. The next prime is 2009741507. The reversal of 2009741497 is 7941479002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1788951616 + 220789881 = 42296^2 + 14859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2009741497 - 2¹¹ = 2009739449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2009741491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004870748 + 1004870749.

It is an arithmetic number, because the mean of its divisors is an integer number (1004870749).

Almost surely, 2^2009741497 is an apocalyptic number.

It is an amenable number.

2009741497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009741497 is an equidigital number, since it uses as much as digits as its factorization.

2009741497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 2009741497 is about 44830.1404972146. The cubic root of 2009741497 is about 1261.9633238622.

The spelling of 2009741497 in words is "two billion, nine million, seven hundred forty-one thousand, four hundred ninety-seven".