18298227602 has 6 divisors (see below), whose sum is σ = 27447628359. Its totient is φ = 9149018150.

The previous prime is 18298227589. The next prime is 18298227719. The reversal of 18298227602 is 20672289281.

It can be written as a sum of positive squares in only one way, i.e., 9149113801 + 9149113801 = 95651^2 + 95651^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=95651.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 143477 + ... + 239127.

Almost surely, 2^18298227602 is an apocalyptic number.

18298227602 is a deficient number, since it is larger than the sum of its proper divisors (9149400757).

18298227602 is an frugal number, since it uses more digits than its factorization.

18298227602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191304 (or 95653 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 18298227602 in words is "eighteen billion, two hundred ninety-eight million, two hundred twenty-seven thousand, six hundred two".