26040973097 has 2 divisors, whose sum is σ = 26040973098. Its totient is φ = 26040973096.

The previous prime is 26040973069. The next prime is 26040973169. The reversal of 26040973097 is 79037904062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24970636441 + 1070336656 = 158021^2 + 32716^2 .

It is a cyclic number.

It is not a de Polignac number, because 26040973097 - 2¹⁴ = 26040956713 is a prime.

It is not a weakly prime, because it can be changed into another prime (26040973297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020486548 + 13020486549.

It is an arithmetic number, because the mean of its divisors is an integer number (13020486549).

Almost surely, 2^26040973097 is an apocalyptic number.

It is an amenable number.

26040973097 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040973097 is an equidigital number, since it uses as much as digits as its factorization.

26040973097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 26040973097 in words is "twenty-six billion, forty million, nine hundred seventy-three thousand, ninety-seven".