26351968894 has 12 divisors (see below), whose sum is σ = 41321283696. Its totient is φ = 12603115052.

The previous prime is 26351968891. The next prime is 26351968921. The reversal of 26351968894 is 49886915362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26351968891) 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 5 ways as a sum of consecutive naturals, for example, 12452614 + ... + 12454729.

It is an arithmetic number, because the mean of its divisors is an integer number (3443440308).

Almost surely, 2^26351968894 is an apocalyptic number.

26351968894 is a deficient number, since it is larger than the sum of its proper divisors (14969314802).

26351968894 is a wasteful number, since it uses less digits than its factorization.

26351968894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24907391 (or 24907368 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 26351968894 in words is "twenty-six billion, three hundred fifty-one million, nine hundred sixty-eight thousand, eight hundred ninety-four".