2021865792383 has 2 divisors, whose sum is σ = 2021865792384. Its totient is φ = 2021865792382.

The previous prime is 2021865792371. The next prime is 2021865792391. The reversal of 2021865792383 is 3832975681202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021865792383 - 2⁸ = 2021865792127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021865792883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010932896191 + 1010932896192.

It is an arithmetic number, because the mean of its divisors is an integer number (1010932896192).

Almost surely, 2^{2021865792383} is an apocalyptic number.

2021865792383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021865792383 is an equidigital number, since it uses as much as digits as its factorization.

2021865792383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 2021865792383 in words is "two trillion, twenty-one billion, eight hundred sixty-five million, seven hundred ninety-two thousand, three hundred eighty-three".