26964420293 has 2 divisors, whose sum is σ = 26964420294. Its totient is φ = 26964420292.

The previous prime is 26964420289. The next prime is 26964420317. The reversal of 26964420293 is 39202446962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24893897284 + 2070523009 = 157778^2 + 45503^2 .

It is a cyclic number.

It is not a de Polignac number, because 26964420293 - 2² = 26964420289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26964420193) 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, 13482210146 + 13482210147.

It is an arithmetic number, because the mean of its divisors is an integer number (13482210147).

Almost surely, 2^26964420293 is an apocalyptic number.

It is an amenable number.

26964420293 is a deficient number, since it is larger than the sum of its proper divisors (1).

26964420293 is an equidigital number, since it uses as much as digits as its factorization.

26964420293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 26964420293 in words is "twenty-six billion, nine hundred sixty-four million, four hundred twenty thousand, two hundred ninety-three".