26943194384 has 20 divisors (see below), whose sum is σ = 52504192716. Its totient is φ = 13393725312.

The previous prime is 26943194363. The next prime is 26943194387. The reversal of 26943194384 is 48349134962.

It can be written as a sum of positive squares in 2 ways, for example, as 17696448784 + 9246745600 = 133028^2 + 96160^2 .

It is a super-2 number, since 2×26943194384² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26943194387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4864139 + ... + 4869674.

Almost surely, 2^26943194384 is an apocalyptic number.

It is an amenable number.

26943194384 is a deficient number, since it is larger than the sum of its proper divisors (25560998332).

26943194384 is a wasteful number, since it uses less digits than its factorization.

26943194384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733994 (or 9733988 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 53.

The spelling of 26943194384 in words is "twenty-six billion, nine hundred forty-three million, one hundred ninety-four thousand, three hundred eighty-four".