2021941596137 has 2 divisors, whose sum is σ = 2021941596138. Its totient is φ = 2021941596136.

The previous prime is 2021941596113. The next prime is 2021941596151. The reversal of 2021941596137 is 7316951491202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1700791572736 + 321150023401 = 1304144^2 + 566701^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021941596137 - 2³⁸ = 1747063689193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021941596107) 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, 1010970798068 + 1010970798069.

It is an arithmetic number, because the mean of its divisors is an integer number (1010970798069).

Almost surely, 2^{2021941596137} is an apocalyptic number.

It is an amenable number.

2021941596137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021941596137 is an equidigital number, since it uses as much as digits as its factorization.

2021941596137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 2021941596137 in words is "two trillion, twenty-one billion, nine hundred forty-one million, five hundred ninety-six thousand, one hundred thirty-seven".