26645134753 has 2 divisors, whose sum is σ = 26645134754. Its totient is φ = 26645134752.

The previous prime is 26645134699. The next prime is 26645134799. The reversal of 26645134753 is 35743154662.

It is a happy number.

It is an a-pointer prime, because the next prime (26645134799) can be obtained adding 26645134753 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22883520529 + 3761614224 = 151273^2 + 61332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26645134753 is a prime.

It is not a weakly prime, because it can be changed into another prime (26645131753) 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, 13322567376 + 13322567377.

It is an arithmetic number, because the mean of its divisors is an integer number (13322567377).

Almost surely, 2^26645134753 is an apocalyptic number.

It is an amenable number.

26645134753 is a deficient number, since it is larger than the sum of its proper divisors (1).

26645134753 is an equidigital number, since it uses as much as digits as its factorization.

26645134753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 46.

The spelling of 26645134753 in words is "twenty-six billion, six hundred forty-five million, one hundred thirty-four thousand, seven hundred fifty-three".