26230579189 has 2 divisors, whose sum is σ = 26230579190. Its totient is φ = 26230579188.

The previous prime is 26230579129. The next prime is 26230579211. The reversal of 26230579189 is 98197503262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25870148964 + 360430225 = 160842^2 + 18985^2 .

It is a cyclic number.

It is not a de Polignac number, because 26230579189 - 2¹¹ = 26230577141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26230579129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13115289594 + 13115289595.

It is an arithmetic number, because the mean of its divisors is an integer number (13115289595).

Almost surely, 2^26230579189 is an apocalyptic number.

It is an amenable number.

26230579189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26230579189 is an equidigital number, since it uses as much as digits as its factorization.

26230579189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 26230579189 in words is "twenty-six billion, two hundred thirty million, five hundred seventy-nine thousand, one hundred eighty-nine".