26104906697 has 2 divisors, whose sum is σ = 26104906698. Its totient is φ = 26104906696.

The previous prime is 26104906669. The next prime is 26104906717. The reversal of 26104906697 is 79660940162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18241473721 + 7863432976 = 135061^2 + 88676^2 .

It is a cyclic number.

It is not a de Polignac number, because 26104906697 - 2¹² = 26104902601 is a prime.

It is not a weakly prime, because it can be changed into another prime (26104906637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052453348 + 13052453349.

It is an arithmetic number, because the mean of its divisors is an integer number (13052453349).

Almost surely, 2^26104906697 is an apocalyptic number.

It is an amenable number.

26104906697 is a deficient number, since it is larger than the sum of its proper divisors (1).

26104906697 is an equidigital number, since it uses as much as digits as its factorization.

26104906697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 26104906697 in words is "twenty-six billion, one hundred four million, nine hundred six thousand, six hundred ninety-seven".