229841999987 has 2 divisors, whose sum is σ = 229841999988. Its totient is φ = 229841999986.

The previous prime is 229841999983. The next prime is 229842000001. The reversal of 229841999987 is 789999148922.

229841999987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229841999987 - 2² = 229841999983 is a prime.

It is not a weakly prime, because it can be changed into another prime (229841999983) 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, 114920999993 + 114920999994.

It is an arithmetic number, because the mean of its divisors is an integer number (114920999994).

Almost surely, 2^229841999987 is an apocalyptic number.

229841999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

229841999987 is an equidigital number, since it uses as much as digits as its factorization.

229841999987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423263232, while the sum is 77.

The spelling of 229841999987 in words is "two hundred twenty-nine billion, eight hundred forty-one million, nine hundred ninety-nine thousand, nine hundred eighty-seven".