26681948035 has 16 divisors (see below), whose sum is σ = 34379266752. Its totient is φ = 19806976000.

The previous prime is 26681948009. The next prime is 26681948057. The reversal of 26681948035 is 53084918662.

It is a de Polignac number, because none of the positive numbers 2^k-26681948035 is a prime.

It is a super-2 number, since 2×26681948035² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2204566 + ... + 2216635.

It is an arithmetic number, because the mean of its divisors is an integer number (2148704172).

Almost surely, 2^26681948035 is an apocalyptic number.

26681948035 is a deficient number, since it is larger than the sum of its proper divisors (7697318717).

26681948035 is a wasteful number, since it uses less digits than its factorization.

26681948035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421294.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 26681948035 in words is "twenty-six billion, six hundred eighty-one million, nine hundred forty-eight thousand, thirty-five".