26427923008393 has 4 divisors (see below), whose sum is σ = 26429244887188. Its totient is φ = 26426601129600.

The previous prime is 26427923008381. The next prime is 26427923008411. The reversal of 26427923008393 is 39380032972462.

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 21334542058489 + 5093380949904 = 4618933^2 + 2256852^2 .

It is a cyclic number.

It is not a de Polignac number, because 26427923008393 - 2⁹ = 26427923007881 is a prime.

It is a super-2 number, since 2×26427923008393² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26427923008093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660909408 + ... + 660949393.

It is an arithmetic number, because the mean of its divisors is an integer number (6607311221797).

Almost surely, 2^{26427923008393} is an apocalyptic number.

It is an amenable number.

26427923008393 is a deficient number, since it is larger than the sum of its proper divisors (1321878795).

26427923008393 is a wasteful number, since it uses less digits than its factorization.

26427923008393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321878794.

The product of its (nonzero) digits is 23514624, while the sum is 58.

The spelling of 26427923008393 in words is "twenty-six trillion, four hundred twenty-seven billion, nine hundred twenty-three million, eight thousand, three hundred ninety-three".