26007553889 has 2 divisors, whose sum is σ = 26007553890. Its totient is φ = 26007553888.

The previous prime is 26007553877. The next prime is 26007553919. The reversal of 26007553889 is 98835570062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18785443600 + 7222110289 = 137060^2 + 84983^2 .

It is a cyclic number.

It is not a de Polignac number, because 26007553889 - 2³² = 21712586593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26007553889.

It is not a weakly prime, because it can be changed into another prime (26007553189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13003776944 + 13003776945.

It is an arithmetic number, because the mean of its divisors is an integer number (13003776945).

Almost surely, 2^26007553889 is an apocalyptic number.

It is an amenable number.

26007553889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26007553889 is an equidigital number, since it uses as much as digits as its factorization.

26007553889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 26007553889 in words is "twenty-six billion, seven million, five hundred fifty-three thousand, eight hundred eighty-nine".