26706211321 has 2 divisors, whose sum is σ = 26706211322. Its totient is φ = 26706211320.

The previous prime is 26706211277. The next prime is 26706211351. The reversal of 26706211321 is 12311260762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26706096400 + 114921 = 163420^2 + 339^2 .

It is a cyclic number.

It is not a de Polignac number, because 26706211321 - 2¹³ = 26706203129 is a prime.

It is not a weakly prime, because it can be changed into another prime (26706211351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13353105660 + 13353105661.

It is an arithmetic number, because the mean of its divisors is an integer number (13353105661).

Almost surely, 2^26706211321 is an apocalyptic number.

It is an amenable number.

26706211321 is a deficient number, since it is larger than the sum of its proper divisors (1).

26706211321 is an equidigital number, since it uses as much as digits as its factorization.

26706211321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 26706211321 in words is "twenty-six billion, seven hundred six million, two hundred eleven thousand, three hundred twenty-one".