26347263097 has 2 divisors, whose sum is σ = 26347263098. Its totient is φ = 26347263096.

The previous prime is 26347263073. The next prime is 26347263101. The reversal of 26347263097 is 79036274362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18058253161 + 8289009936 = 134381^2 + 91044^2 .

It is a cyclic number.

It is not a de Polignac number, because 26347263097 - 2²³ = 26338874489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26347263097.

It is not a weakly prime, because it can be changed into another prime (26347263497) 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, 13173631548 + 13173631549.

It is an arithmetic number, because the mean of its divisors is an integer number (13173631549).

Almost surely, 2^26347263097 is an apocalyptic number.

It is an amenable number.

26347263097 is a deficient number, since it is larger than the sum of its proper divisors (1).

26347263097 is an equidigital number, since it uses as much as digits as its factorization.

26347263097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 49.

It can be divided in two parts, 26347 and 263097, that added together give a square (289444 = 538²).

The spelling of 26347263097 in words is "twenty-six billion, three hundred forty-seven million, two hundred sixty-three thousand, ninety-seven".