26449706089 has 8 divisors (see below), whose sum is σ = 26712092160. Its totient is φ = 26187427776.

The previous prime is 26449706069. The next prime is 26449706119. The reversal of 26449706089 is 98060794462.

It is a happy number.

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 26449706089 - 2¹⁷ = 26449575017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26449706039) 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, 521352 + ... + 569830.

It is an arithmetic number, because the mean of its divisors is an integer number (3339011520).

Almost surely, 2^26449706089 is an apocalyptic number.

It is an amenable number.

26449706089 is a deficient number, since it is larger than the sum of its proper divisors (262386071).

26449706089 is a wasteful number, since it uses less digits than its factorization.

26449706089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53879.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 26449706089 in words is "twenty-six billion, four hundred forty-nine million, seven hundred six thousand, eighty-nine".