18226280589 has 16 divisors (see below), whose sum is σ = 27157564224. Its totient is φ = 10776809600.

The previous prime is 18226280521. The next prime is 18226280617. The reversal of 18226280589 is 98508262281.

It is a cyclic number.

It is not a de Polignac number, because 18226280589 - 2¹⁶ = 18226215053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18226280519) 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, 6734154 + ... + 6736859.

It is an arithmetic number, because the mean of its divisors is an integer number (1697347764).

Almost surely, 2^18226280589 is an apocalyptic number.

It is an amenable number.

18226280589 is a deficient number, since it is larger than the sum of its proper divisors (8931283635).

18226280589 is a wasteful number, since it uses less digits than its factorization.

18226280589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471068.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 18226280589 in words is "eighteen billion, two hundred twenty-six million, two hundred eighty thousand, five hundred eighty-nine".