26329201097 has 2 divisors, whose sum is σ = 26329201098. Its totient is φ = 26329201096.

The previous prime is 26329201001. The next prime is 26329201127. The reversal of 26329201097 is 79010292362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22271383696 + 4057817401 = 149236^2 + 63701^2 .

It is a cyclic number.

It is not a de Polignac number, because 26329201097 - 2⁸ = 26329200841 is a prime.

It is not a weakly prime, because it can be changed into another prime (26329203097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164600548 + 13164600549.

It is an arithmetic number, because the mean of its divisors is an integer number (13164600549).

Almost surely, 2^26329201097 is an apocalyptic number.

It is an amenable number.

26329201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

26329201097 is an equidigital number, since it uses as much as digits as its factorization.

26329201097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 26329201097 in words is "twenty-six billion, three hundred twenty-nine million, two hundred one thousand, ninety-seven".