26931116426 has 4 divisors (see below), whose sum is σ = 40396674642. Its totient is φ = 13465558212.

The previous prime is 26931116413. The next prime is 26931116431. The reversal of 26931116426 is 62461113962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25535720401 + 1395396025 = 159799^2 + 37355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732779105 + ... + 6732779108.

Almost surely, 2^26931116426 is an apocalyptic number.

26931116426 is a deficient number, since it is larger than the sum of its proper divisors (13465558216).

26931116426 is a wasteful number, since it uses less digits than its factorization.

26931116426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465558215.

The product of its digits is 93312, while the sum is 41.

The spelling of 26931116426 in words is "twenty-six billion, nine hundred thirty-one million, one hundred sixteen thousand, four hundred twenty-six".