18092133049 has 3 divisors (see below), whose sum is σ = 18092267557. Its totient is φ = 18091998542.

The previous prime is 18092133041. The next prime is 18092133077. The reversal of 18092133049 is 94033129081.

The square root of 18092133049 is 134507.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 18092133049 - 2³ = 18092133041 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18092133041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 67254 + ... + 201760.

Almost surely, 2^18092133049 is an apocalyptic number.

18092133049 is the 134507-th square number.

18092133049 is the 67254-th centered octagonal number.

It is an amenable number.

18092133049 is a deficient number, since it is larger than the sum of its proper divisors (134508).

18092133049 is an frugal number, since it uses more digits than its factorization.

18092133049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269014 (or 134507 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

Multiplying 18092133049 by its product of nonzero digits (46656), we get a square (844106559534144 = 29053512²).

The spelling of 18092133049 in words is "eighteen billion, ninety-two million, one hundred thirty-three thousand, forty-nine".