26941197893 has 2 divisors, whose sum is σ = 26941197894. Its totient is φ = 26941197892.

The previous prime is 26941197889. The next prime is 26941197929. The reversal of 26941197893 is 39879114962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22433149729 + 4508048164 = 149777^2 + 67142^2 .

It is a cyclic number.

It is not a de Polignac number, because 26941197893 - 2² = 26941197889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26941193893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13470598946 + 13470598947.

It is an arithmetic number, because the mean of its divisors is an integer number (13470598947).

Almost surely, 2^26941197893 is an apocalyptic number.

It is an amenable number.

26941197893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26941197893 is an equidigital number, since it uses as much as digits as its factorization.

26941197893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The spelling of 26941197893 in words is "twenty-six billion, nine hundred forty-one million, one hundred ninety-seven thousand, eight hundred ninety-three".