26423742973 has 2 divisors, whose sum is σ = 26423742974. Its totient is φ = 26423742972.

The previous prime is 26423742953. The next prime is 26423743001. The reversal of 26423742973 is 37924732462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26210962404 + 212780569 = 161898^2 + 14587^2 .

It is a cyclic number.

It is not a de Polignac number, because 26423742973 - 2⁹ = 26423742461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26423742953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211871486 + 13211871487.

It is an arithmetic number, because the mean of its divisors is an integer number (13211871487).

Almost surely, 2^26423742973 is an apocalyptic number.

It is an amenable number.

26423742973 is a deficient number, since it is larger than the sum of its proper divisors (1).

26423742973 is an equidigital number, since it uses as much as digits as its factorization.

26423742973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 49.

The spelling of 26423742973 in words is "twenty-six billion, four hundred twenty-three million, seven hundred forty-two thousand, nine hundred seventy-three".