26340730863 has 8 divisors (see below), whose sum is σ = 35133632688. Its totient is φ = 17554158144.

The previous prime is 26340730861. The next prime is 26340730909. The reversal of 26340730863 is 36803704362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26340730863 - 2¹ = 26340730861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340730861) 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 7 ways as a sum of consecutive naturals, for example, 1572556 + ... + 1589217.

It is an arithmetic number, because the mean of its divisors is an integer number (4391704086).

Almost surely, 2^26340730863 is an apocalyptic number.

26340730863 is a deficient number, since it is larger than the sum of its proper divisors (8792901825).

26340730863 is a wasteful number, since it uses less digits than its factorization.

26340730863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164553.

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 26340730863 in words is "twenty-six billion, three hundred forty million, seven hundred thirty thousand, eight hundred sixty-three".