26396268959 has 4 divisors (see below), whose sum is σ = 27306485160. Its totient is φ = 25486052760.

The previous prime is 26396268949. The next prime is 26396268979. The reversal of 26396268959 is 95986269362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26396268959 - 2¹² = 26396264863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26396268895 and 26396268904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26396268929) 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, 455108057 + ... + 455108114.

It is an arithmetic number, because the mean of its divisors is an integer number (6826621290).

Almost surely, 2^26396268959 is an apocalyptic number.

26396268959 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26396268959 is a deficient number, since it is larger than the sum of its proper divisors (910216201).

26396268959 is an equidigital number, since it uses as much as digits as its factorization.

26396268959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910216200.

The product of its digits is 75582720, while the sum is 65.

The spelling of 26396268959 in words is "twenty-six billion, three hundred ninety-six million, two hundred sixty-eight thousand, nine hundred fifty-nine".