26040853973 has 2 divisors, whose sum is σ = 26040853974. Its totient is φ = 26040853972.

The previous prime is 26040853967. The next prime is 26040853987. The reversal of 26040853973 is 37935804062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20776916164 + 5263937809 = 144142^2 + 72553^2 .

It is a cyclic number.

It is not a de Polignac number, because 26040853973 - 2²⁰ = 26039805397 is a prime.

It is a super-3 number, since 3×26040853973³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26040853903) 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, 13020426986 + 13020426987.

It is an arithmetic number, because the mean of its divisors is an integer number (13020426987).

Almost surely, 2^26040853973 is an apocalyptic number.

It is an amenable number.

26040853973 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040853973 is an equidigital number, since it uses as much as digits as its factorization.

26040853973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 26040853973 in words is "twenty-six billion, forty million, eight hundred fifty-three thousand, nine hundred seventy-three".