2734887509 has 2 divisors, whose sum is σ = 2734887510. Its totient is φ = 2734887508.

The previous prime is 2734887443. The next prime is 2734887527. The reversal of 2734887509 is 9057884372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2438186884 + 296700625 = 49378^2 + 17225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2734887509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2734887109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367443754 + 1367443755.

It is an arithmetic number, because the mean of its divisors is an integer number (1367443755).

Almost surely, 2^2734887509 is an apocalyptic number.

It is an amenable number.

2734887509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734887509 is an equidigital number, since it uses as much as digits as its factorization.

2734887509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 2734887509 is about 52296.1519521274. The cubic root of 2734887509 is about 1398.4485379574.

The spelling of 2734887509 in words is "two billion, seven hundred thirty-four million, eight hundred eighty-seven thousand, five hundred nine".