26696478463 has 2 divisors, whose sum is σ = 26696478464. Its totient is φ = 26696478462.

The previous prime is 26696478451. The next prime is 26696478481. The reversal of 26696478463 is 36487469662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26696478463 - 2²⁵ = 26662924031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26696478563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13348239231 + 13348239232.

It is an arithmetic number, because the mean of its divisors is an integer number (13348239232).

Almost surely, 2^26696478463 is an apocalyptic number.

26696478463 is a deficient number, since it is larger than the sum of its proper divisors (1).

26696478463 is an equidigital number, since it uses as much as digits as its factorization.

26696478463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 61.

The spelling of 26696478463 in words is "twenty-six billion, six hundred ninety-six million, four hundred seventy-eight thousand, four hundred sixty-three".