26739845713 has 6 divisors (see below), whose sum is σ = 31105534866. Its totient is φ = 22919867712.

The previous prime is 26739845687. The next prime is 26739845729. The reversal of 26739845713 is 31754893762.

It can be written as a sum of positive squares in only one way, i.e., 19008688384 + 7731157329 = 137872^2 + 87927^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26739845713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26739845413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272855520 + ... + 272855617.

It is an arithmetic number, because the mean of its divisors is an integer number (5184255811).

Almost surely, 2^26739845713 is an apocalyptic number.

It is an amenable number.

26739845713 is a deficient number, since it is larger than the sum of its proper divisors (4365689153).

26739845713 is an equidigital number, since it uses as much as digits as its factorization.

26739845713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545711151 (or 545711144 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 26739845713 in words is "twenty-six billion, seven hundred thirty-nine million, eight hundred forty-five thousand, seven hundred thirteen".