26868450529 has 4 divisors (see below), whose sum is σ = 27129309376. Its totient is φ = 26607591684.

The previous prime is 26868450527. The next prime is 26868450559. The reversal of 26868450529 is 92505486862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26868450529 - 2¹ = 26868450527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26868450529.

It is not an unprimeable number, because it can be changed into a prime (26868450527) 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, 130429269 + ... + 130429474.

It is an arithmetic number, because the mean of its divisors is an integer number (6782327344).

Almost surely, 2^26868450529 is an apocalyptic number.

It is an amenable number.

26868450529 is a deficient number, since it is larger than the sum of its proper divisors (260858847).

26868450529 is a wasteful number, since it uses less digits than its factorization.

26868450529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260858846.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 26868450529 in words is "twenty-six billion, eight hundred sixty-eight million, four hundred fifty thousand, five hundred twenty-nine".