202093233781 has 2 divisors, whose sum is σ = 202093233782. Its totient is φ = 202093233780.

The previous prime is 202093233757. The next prime is 202093233787. The reversal of 202093233781 is 187332390202.

202093233781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151892590756 + 50200643025 = 389734^2 + 224055^2 .

It is a cyclic number.

It is not a de Polignac number, because 202093233781 - 2¹⁹ = 202092709493 is a prime.

It is a super-2 number, since 2×202093233781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202093233787) 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, 101046616890 + 101046616891.

It is an arithmetic number, because the mean of its divisors is an integer number (101046616891).

Almost surely, 2^202093233781 is an apocalyptic number.

It is an amenable number.

202093233781 is a deficient number, since it is larger than the sum of its proper divisors (1).

202093233781 is an equidigital number, since it uses as much as digits as its factorization.

202093233781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 202093233781 in words is "two hundred two billion, ninety-three million, two hundred thirty-three thousand, seven hundred eighty-one".