26484842159989 has 2 divisors, whose sum is σ = 26484842159990. Its totient is φ = 26484842159988.

The previous prime is 26484842159929. The next prime is 26484842160001. The reversal of 26484842159989 is 98995124848462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25950700437489 + 534141722500 = 5094183^2 + 730850^2 .

It is a cyclic number.

It is not a de Polignac number, because 26484842159989 - 2¹³ = 26484842151797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26484842159929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13242421079994 + 13242421079995.

It is an arithmetic number, because the mean of its divisors is an integer number (13242421079995).

Almost surely, 2^{26484842159989} is an apocalyptic number.

It is an amenable number.

26484842159989 is a deficient number, since it is larger than the sum of its proper divisors (1).

26484842159989 is an equidigital number, since it uses as much as digits as its factorization.

26484842159989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2866544640, while the sum is 79.

The spelling of 26484842159989 in words is "twenty-six trillion, four hundred eighty-four billion, eight hundred forty-two million, one hundred fifty-nine thousand, nine hundred eighty-nine".