229291793669 has 2 divisors, whose sum is σ = 229291793670. Its totient is φ = 229291793668.

The previous prime is 229291793651. The next prime is 229291793681. The reversal of 229291793669 is 966397192922.

229291793669 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., 159011132644 + 70280661025 = 398762^2 + 265105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229291793669 is a prime.

It is a super-2 number, since 2×229291793669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229291793609) 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, 114645896834 + 114645896835.

It is an arithmetic number, because the mean of its divisors is an integer number (114645896835).

Almost surely, 2^229291793669 is an apocalyptic number.

It is an amenable number.

229291793669 is a deficient number, since it is larger than the sum of its proper divisors (1).

229291793669 is an equidigital number, since it uses as much as digits as its factorization.

229291793669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39680928, while the sum is 65.

The spelling of 229291793669 in words is "two hundred twenty-nine billion, two hundred ninety-one million, seven hundred ninety-three thousand, six hundred sixty-nine".