26932406863 has 4 divisors (see below), whose sum is σ = 27210060640. Its totient is φ = 26654753088.

The previous prime is 26932406861. The next prime is 26932406867. The reversal of 26932406863 is 36860423962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36860423962 = 2 ⋅18430211981.

It is a cyclic number.

It is not a de Polignac number, because 26932406863 - 2¹ = 26932406861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26932406861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138826743 + ... + 138826936.

It is an arithmetic number, because the mean of its divisors is an integer number (6802515160).

Almost surely, 2^26932406863 is an apocalyptic number.

26932406863 is a deficient number, since it is larger than the sum of its proper divisors (277653777).

26932406863 is an equidigital number, since it uses as much as digits as its factorization.

26932406863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277653776.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 26932406863 in words is "twenty-six billion, nine hundred thirty-two million, four hundred six thousand, eight hundred sixty-three".