26600319491 has 8 divisors (see below), whose sum is σ = 26923849680. Its totient is φ = 26276861952.

The previous prime is 26600319481. The next prime is 26600319511. The reversal of 26600319491 is 19491300662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26600319491 - 2¹⁰ = 26600318467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26600319481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260515 + ... + 1281443.

It is an arithmetic number, because the mean of its divisors is an integer number (3365481210).

Almost surely, 2^26600319491 is an apocalyptic number.

26600319491 is a deficient number, since it is larger than the sum of its proper divisors (323530189).

26600319491 is a wasteful number, since it uses less digits than its factorization.

26600319491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36325.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 26600319491 in words is "twenty-six billion, six hundred million, three hundred nineteen thousand, four hundred ninety-one".