26834043693 has 16 divisors (see below), whose sum is σ = 35871975360. Its totient is φ = 17842774656.

The previous prime is 26834043689. The next prime is 26834043727. The reversal of 26834043693 is 39634043862.

It is a happy number.

It is not a de Polignac number, because 26834043693 - 2² = 26834043689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26834043623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5148873 + ... + 5154081.

It is an arithmetic number, because the mean of its divisors is an integer number (2241998460).

Almost surely, 2^26834043693 is an apocalyptic number.

It is an amenable number.

26834043693 is a deficient number, since it is larger than the sum of its proper divisors (9037931667).

26834043693 is a wasteful number, since it uses less digits than its factorization.

26834043693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 26834043693 in words is "twenty-six billion, eight hundred thirty-four million, forty-three thousand, six hundred ninety-three".