202085721983 has 2 divisors, whose sum is σ = 202085721984. Its totient is φ = 202085721982.

The previous prime is 202085721931. The next prime is 202085722001. The reversal of 202085721983 is 389127580202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202085721983 - 2¹⁰ = 202085720959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202085721923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101042860991 + 101042860992.

It is an arithmetic number, because the mean of its divisors is an integer number (101042860992).

Almost surely, 2^202085721983 is an apocalyptic number.

202085721983 is a deficient number, since it is larger than the sum of its proper divisors (1).

202085721983 is an equidigital number, since it uses as much as digits as its factorization.

202085721983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 202085721983 in words is "two hundred two billion, eighty-five million, seven hundred twenty-one thousand, nine hundred eighty-three".