2009842775527 has 2 divisors, whose sum is σ = 2009842775528. Its totient is φ = 2009842775526.

The previous prime is 2009842775513. The next prime is 2009842775533. The reversal of 2009842775527 is 7255772489002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009842775527 - 2¹¹ = 2009842773479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009842775027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004921387763 + 1004921387764.

It is an arithmetic number, because the mean of its divisors is an integer number (1004921387764).

Almost surely, 2^{2009842775527} is an apocalyptic number.

2009842775527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009842775527 is an equidigital number, since it uses as much as digits as its factorization.

2009842775527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 2009842775527 in words is "two trillion, nine billion, eight hundred forty-two million, seven hundred seventy-five thousand, five hundred twenty-seven".