26622668609 has 8 divisors (see below), whose sum is σ = 26968517568. Its totient is φ = 26278616880.

The previous prime is 26622668603. The next prime is 26622668617. The reversal of 26622668609 is 90686622662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26622668609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26622668603) 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, 419477 + ... + 478754.

It is an arithmetic number, because the mean of its divisors is an integer number (3371064696).

Almost surely, 2^26622668609 is an apocalyptic number.

It is an amenable number.

26622668609 is a deficient number, since it is larger than the sum of its proper divisors (345848959).

26622668609 is a wasteful number, since it uses less digits than its factorization.

26622668609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898615.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 26622668609 in words is "twenty-six billion, six hundred twenty-two million, six hundred sixty-eight thousand, six hundred nine".