2106537436559 has 2 divisors, whose sum is σ = 2106537436560. Its totient is φ = 2106537436558.

The previous prime is 2106537436519. The next prime is 2106537436561. The reversal of 2106537436559 is 9556347356012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106537436559 is a prime.

Together with 2106537436561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106537436519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053268718279 + 1053268718280.

It is an arithmetic number, because the mean of its divisors is an integer number (1053268718280).

Almost surely, 2^{2106537436559} is an apocalyptic number.

2106537436559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106537436559 is an equidigital number, since it uses as much as digits as its factorization.

2106537436559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412000, while the sum is 56.

The spelling of 2106537436559 in words is "two trillion, one hundred six billion, five hundred thirty-seven million, four hundred thirty-six thousand, five hundred fifty-nine".