2689345880051 has 2 divisors, whose sum is σ = 2689345880052. Its totient is φ = 2689345880050.

The previous prime is 2689345880047. The next prime is 2689345880149. The reversal of 2689345880051 is 1500885439862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2689345880051 - 2² = 2689345880047 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2689345880951) 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, 1344672940025 + 1344672940026.

It is an arithmetic number, because the mean of its divisors is an integer number (1344672940026).

Almost surely, 2^{2689345880051} is an apocalyptic number.

2689345880051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689345880051 is an equidigital number, since it uses as much as digits as its factorization.

2689345880051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 2689345880051 in words is "two trillion, six hundred eighty-nine billion, three hundred forty-five million, eight hundred eighty thousand, fifty-one".