2600675012021 has 2 divisors, whose sum is σ = 2600675012022. Its totient is φ = 2600675012020.

The previous prime is 2600675012017. The next prime is 2600675012041. The reversal of 2600675012021 is 1202105760062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1641950080996 + 958724931025 = 1281386^2 + 979145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2600675012021 - 2² = 2600675012017 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 (2600675012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300337506010 + 1300337506011.

It is an arithmetic number, because the mean of its divisors is an integer number (1300337506011).

Almost surely, 2^{2600675012021} is an apocalyptic number.

It is an amenable number.

2600675012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600675012021 is an equidigital number, since it uses as much as digits as its factorization.

2600675012021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 2600675012021 in words is "two trillion, six hundred billion, six hundred seventy-five million, twelve thousand, twenty-one".