26891419862 has 4 divisors (see below), whose sum is σ = 40337129796. Its totient is φ = 13445709930.

The previous prime is 26891419829. The next prime is 26891419897.

26891419862 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 26891419798 and 26891419807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722854964 + ... + 6722854967.

It is an arithmetic number, because the mean of its divisors is an integer number (10084282449).

Almost surely, 2^26891419862 is an apocalyptic number.

26891419862 is a deficient number, since it is larger than the sum of its proper divisors (13445709934).

26891419862 is a wasteful number, since it uses less digits than its factorization.

26891419862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13445709933.

The product of its digits is 2985984, while the sum is 56.

The spelling of 26891419862 in words is "twenty-six billion, eight hundred ninety-one million, four hundred nineteen thousand, eight hundred sixty-two".