229793785081 has 4 divisors (see below), whose sum is σ = 262621468672. Its totient is φ = 196966101492.

The previous prime is 229793785051. The next prime is 229793785097. The reversal of 229793785081 is 180587397922.

229793785081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229793785081 - 2⁷ = 229793784953 is a prime.

It is a super-2 number, since 2×229793785081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229793785051) 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 in 3 ways as a sum of consecutive naturals, for example, 16413841785 + ... + 16413841798.

It is an arithmetic number, because the mean of its divisors is an integer number (65655367168).

Almost surely, 2^229793785081 is an apocalyptic number.

It is an amenable number.

229793785081 is a deficient number, since it is larger than the sum of its proper divisors (32827683591).

229793785081 is an equidigital number, since it uses as much as digits as its factorization.

229793785081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32827683590.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 229793785081 in words is "two hundred twenty-nine billion, seven hundred ninety-three million, seven hundred eighty-five thousand, eighty-one".