2021999596933 has 2 divisors, whose sum is σ = 2021999596934. Its totient is φ = 2021999596932.

The previous prime is 2021999596921. The next prime is 2021999596951. The reversal of 2021999596933 is 3396959991202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1182095166564 + 839904430369 = 1087242^2 + 916463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021999596933 - 2⁵ = 2021999596901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021994596933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010999798466 + 1010999798467.

It is an arithmetic number, because the mean of its divisors is an integer number (1010999798467).

Almost surely, 2^{2021999596933} is an apocalyptic number.

It is an amenable number.

2021999596933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021999596933 is an equidigital number, since it uses as much as digits as its factorization.

2021999596933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63772920, while the sum is 67.

The spelling of 2021999596933 in words is "two trillion, twenty-one billion, nine hundred ninety-nine million, five hundred ninety-six thousand, nine hundred thirty-three".