26040035393 has 2 divisors, whose sum is σ = 26040035394. Its totient is φ = 26040035392.

The previous prime is 26040035389. The next prime is 26040035407. The reversal of 26040035393 is 39353004062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24971268529 + 1068766864 = 158023^2 + 32692^2 .

It is a cyclic number.

It is not a de Polignac number, because 26040035393 - 2² = 26040035389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26040035323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020017696 + 13020017697.

It is an arithmetic number, because the mean of its divisors is an integer number (13020017697).

Almost surely, 2^26040035393 is an apocalyptic number.

It is an amenable number.

26040035393 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040035393 is an equidigital number, since it uses as much as digits as its factorization.

26040035393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 26040035393 in words is "twenty-six billion, forty million, thirty-five thousand, three hundred ninety-three".