2600805940259 has 4 divisors (see below), whose sum is σ = 2600845506216. Its totient is φ = 2600766374304.

The previous prime is 2600805940231. The next prime is 2600805940277. The reversal of 2600805940259 is 9520495080062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2600805940259 - 2⁸ = 2600805940003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2600805940279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19684214 + ... + 19815899.

It is an arithmetic number, because the mean of its divisors is an integer number (650211376554).

Almost surely, 2^{2600805940259} is an apocalyptic number.

2600805940259 is a deficient number, since it is larger than the sum of its proper divisors (39565957).

2600805940259 is an equidigital number, since it uses as much as digits as its factorization.

2600805940259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39565956.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 2600805940259 in words is "two trillion, six hundred billion, eight hundred five million, nine hundred forty thousand, two hundred fifty-nine".