229442597989 has 16 divisors (see below), whose sum is σ = 257302895616. Its totient is φ = 202759675200.

The previous prime is 229442597983. The next prime is 229442598001. The reversal of 229442597989 is 989795244922.

It is a cyclic number.

It is not a de Polignac number, because 229442597989 - 2¹⁹ = 229442073701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229442597983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183099 + ... + 701719.

It is an arithmetic number, because the mean of its divisors is an integer number (16081430976).

Almost surely, 2^229442597989 is an apocalyptic number.

It is an amenable number.

229442597989 is a deficient number, since it is larger than the sum of its proper divisors (27860297627).

229442597989 is a wasteful number, since it uses less digits than its factorization.

229442597989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519756.

The product of its digits is 235146240, while the sum is 70.

The spelling of 229442597989 in words is "two hundred twenty-nine billion, four hundred forty-two million, five hundred ninety-seven thousand, nine hundred eighty-nine".