26684521468 has 12 divisors (see below), whose sum is σ = 50943177432. Its totient is φ = 12129327920.

The previous prime is 26684521459. The next prime is 26684521489. The reversal of 26684521468 is 86412548662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303233155 + ... + 303233242.

It is an arithmetic number, because the mean of its divisors is an integer number (4245264786).

Almost surely, 2^26684521468 is an apocalyptic number.

It is an amenable number.

26684521468 is a deficient number, since it is larger than the sum of its proper divisors (24258655964).

26684521468 is a wasteful number, since it uses less digits than its factorization.

26684521468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606466412 (or 606466410 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 26684521468 in words is "twenty-six billion, six hundred eighty-four million, five hundred twenty-one thousand, four hundred sixty-eight".