230398598989 has 4 divisors (see below), whose sum is σ = 248121568156. Its totient is φ = 212675629824.

The previous prime is 230398598977. The next prime is 230398598999. The reversal of 230398598989 is 989895893032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101341628964 + 129056970025 = 318342^2 + 359245^2 .

It is a cyclic number.

It is not a de Polignac number, because 230398598989 - 2¹⁷ = 230398467917 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 (230398598959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8861484564 + ... + 8861484589.

It is an arithmetic number, because the mean of its divisors is an integer number (62030392039).

Almost surely, 2^230398598989 is an apocalyptic number.

It is an amenable number.

230398598989 is a deficient number, since it is larger than the sum of its proper divisors (17722969167).

230398598989 is a wasteful number, since it uses less digits than its factorization.

230398598989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17722969166.

The product of its (nonzero) digits is 302330880, while the sum is 73.

The spelling of 230398598989 in words is "two hundred thirty billion, three hundred ninety-eight million, five hundred ninety-eight thousand, nine hundred eighty-nine".