26134604647 has 2 divisors, whose sum is σ = 26134604648. Its totient is φ = 26134604646.

The previous prime is 26134604641. The next prime is 26134604677. The reversal of 26134604647 is 74640643162.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26134604647 - 2³¹ = 23987120999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26134604641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13067302323 + 13067302324.

It is an arithmetic number, because the mean of its divisors is an integer number (13067302324).

Almost surely, 2^26134604647 is an apocalyptic number.

26134604647 is a deficient number, since it is larger than the sum of its proper divisors (1).

26134604647 is an equidigital number, since it uses as much as digits as its factorization.

26134604647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 26134604647 in words is "twenty-six billion, one hundred thirty-four million, six hundred four thousand, six hundred forty-seven".