230983982569 has 4 divisors (see below), whose sum is σ = 231099882196. Its totient is φ = 230868082944.

The previous prime is 230983982557. The next prime is 230983982609. The reversal of 230983982569 is 965289389032.

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 80195443344 + 150788539225 = 283188^2 + 388315^2 .

It is a cyclic number.

It is not a de Polignac number, because 230983982569 - 2²¹ = 230981885417 is a prime.

It is a super-2 number, since 2×230983982569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230983982569.

It is not an unprimeable number, because it can be changed into a prime (230983982969) 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, 57946824 + ... + 57950809.

It is an arithmetic number, because the mean of its divisors is an integer number (57774970549).

Almost surely, 2^230983982569 is an apocalyptic number.

It is an amenable number.

230983982569 is a deficient number, since it is larger than the sum of its proper divisors (115899627).

230983982569 is a wasteful number, since it uses less digits than its factorization.

230983982569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115899626.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 230983982569 in words is "two hundred thirty billion, nine hundred eighty-three million, nine hundred eighty-two thousand, five hundred sixty-nine".