26943257253 has 8 divisors (see below), whose sum is σ = 39190192416. Its totient is φ = 16329246800.

The previous prime is 26943257233. The next prime is 26943257269. The reversal of 26943257253 is 35275234962.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26943257253 - 2⁵ = 26943257221 is a prime.

It is a super-2 number, since 2×26943257253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26943257233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 408231138 + ... + 408231203.

It is an arithmetic number, because the mean of its divisors is an integer number (4898774052).

Almost surely, 2^26943257253 is an apocalyptic number.

It is an amenable number.

26943257253 is a deficient number, since it is larger than the sum of its proper divisors (12246935163).

26943257253 is a wasteful number, since it uses less digits than its factorization.

26943257253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816462355.

The product of its digits is 2721600, while the sum is 48.

The spelling of 26943257253 in words is "twenty-six billion, nine hundred forty-three million, two hundred fifty-seven thousand, two hundred fifty-three".