2681269259 has 2 divisors, whose sum is σ = 2681269260. Its totient is φ = 2681269258.

The previous prime is 2681269193. The next prime is 2681269271. The reversal of 2681269259 is 9529621862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2681269259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2681269159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340634629 + 1340634630.

It is an arithmetic number, because the mean of its divisors is an integer number (1340634630).

Almost surely, 2^2681269259 is an apocalyptic number.

2681269259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681269259 is an equidigital number, since it uses as much as digits as its factorization.

2681269259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 2681269259 is about 51780.9739093424. The cubic root of 2681269259 is about 1389.2491604202.

The spelling of 2681269259 in words is "two billion, six hundred eighty-one million, two hundred sixty-nine thousand, two hundred fifty-nine".