230985375769 has 2 divisors, whose sum is σ = 230985375770. Its totient is φ = 230985375768.

The previous prime is 230985375641. The next prime is 230985375787. The reversal of 230985375769 is 967573589032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136133695369 + 94851680400 = 368963^2 + 307980^2 .

It is a cyclic number.

It is not a de Polignac number, because 230985375769 - 2⁷ = 230985375641 is a prime.

It is a super-2 number, since 2×230985375769² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230985375769.

It is not a weakly prime, because it can be changed into another prime (230985375169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115492687884 + 115492687885.

It is an arithmetic number, because the mean of its divisors is an integer number (115492687885).

Almost surely, 2^230985375769 is an apocalyptic number.

It is an amenable number.

230985375769 is a deficient number, since it is larger than the sum of its proper divisors (1).

230985375769 is an equidigital number, since it uses as much as digits as its factorization.

230985375769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85730400, while the sum is 64.

The spelling of 230985375769 in words is "two hundred thirty billion, nine hundred eighty-five million, three hundred seventy-five thousand, seven hundred sixty-nine".