2101865486759 has 2 divisors, whose sum is σ = 2101865486760. Its totient is φ = 2101865486758.

The previous prime is 2101865486717. The next prime is 2101865486767. The reversal of 2101865486759 is 9576845681012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101865486759 - 2⁸ = 2101865486503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101865486789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050932743379 + 1050932743380.

It is an arithmetic number, because the mean of its divisors is an integer number (1050932743380).

Almost surely, 2^{2101865486759} is an apocalyptic number.

2101865486759 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101865486759 is an equidigital number, since it uses as much as digits as its factorization.

2101865486759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 2101865486759 in words is "two trillion, one hundred one billion, eight hundred sixty-five million, four hundred eighty-six thousand, seven hundred fifty-nine".