26973063793 has 4 divisors (see below), whose sum is σ = 29047914868. Its totient is φ = 24898212720.

The previous prime is 26973063781. The next prime is 26973063811. The reversal of 26973063793 is 39736037962.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2183505984 + 24789557809 = 46728^2 + 157447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26973063793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26973063703) 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 3 ways as a sum of consecutive naturals, for example, 1037425518 + ... + 1037425543.

It is an arithmetic number, because the mean of its divisors is an integer number (7261978717).

Almost surely, 2^26973063793 is an apocalyptic number.

It is an amenable number.

26973063793 is a deficient number, since it is larger than the sum of its proper divisors (2074851075).

26973063793 is a wasteful number, since it uses less digits than its factorization.

26973063793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074851074.

The product of its (nonzero) digits is 7715736, while the sum is 55.

The spelling of 26973063793 in words is "twenty-six billion, nine hundred seventy-three million, sixty-three thousand, seven hundred ninety-three".