26340651373 has 2 divisors, whose sum is σ = 26340651374. Its totient is φ = 26340651372.

The previous prime is 26340651331. The next prime is 26340651397. The reversal of 26340651373 is 37315604362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19309325764 + 7031325609 = 138958^2 + 83853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26340651373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26340655373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13170325686 + 13170325687.

It is an arithmetic number, because the mean of its divisors is an integer number (13170325687).

Almost surely, 2^26340651373 is an apocalyptic number.

It is an amenable number.

26340651373 is a deficient number, since it is larger than the sum of its proper divisors (1).

26340651373 is an equidigital number, since it uses as much as digits as its factorization.

26340651373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 26340651373 in words is "twenty-six billion, three hundred forty million, six hundred fifty-one thousand, three hundred seventy-three".