2091655128083 has 2 divisors, whose sum is σ = 2091655128084. Its totient is φ = 2091655128082.

The previous prime is 2091655127977. The next prime is 2091655128097. The reversal of 2091655128083 is 3808215561902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2091655128083 - 2¹⁴ = 2091655111699 is a prime.

It is a super-2 number, since 2×2091655128083² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2091675128083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045827564041 + 1045827564042.

It is an arithmetic number, because the mean of its divisors is an integer number (1045827564042).

Almost surely, 2^{2091655128083} is an apocalyptic number.

2091655128083 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091655128083 is an equidigital number, since it uses as much as digits as its factorization.

2091655128083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 2091655128083 in words is "two trillion, ninety-one billion, six hundred fifty-five million, one hundred twenty-eight thousand, eighty-three".