2606040259 has 2 divisors, whose sum is σ = 2606040260. Its totient is φ = 2606040258.

The previous prime is 2606040233. The next prime is 2606040271. The reversal of 2606040259 is 9520406062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2606040259 - 2²¹ = 2603943107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2606040289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303020129 + 1303020130.

It is an arithmetic number, because the mean of its divisors is an integer number (1303020130).

Almost surely, 2^2606040259 is an apocalyptic number.

2606040259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606040259 is an equidigital number, since it uses as much as digits as its factorization.

2606040259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2606040259 is about 51049.3903881329. The cubic root of 2606040259 is about 1376.1328861079.

The spelling of 2606040259 in words is "two billion, six hundred six million, forty thousand, two hundred fifty-nine".