18069005241 has 81 divisors (see below), whose sum is σ = 31384996461. Its totient is φ = 9988017984.

The previous prime is 18069005233. The next prime is 18069005243. The reversal of 18069005241 is 14250096081.

18069005241 = 1³ + 2³ + ... + 518³.

The square root of 18069005241 is 134421.

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

It can be written as a sum of positive squares in 4 ways, for example, as 11700965241 + 6368040000 = 108171^2 + 79800^2 .

It is not a de Polignac number, because 18069005241 - 2³ = 18069005233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18069005196 and 18069005205.

It is not an unprimeable number, because it can be changed into a prime (18069005243) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 104445031 + ... + 104445203.

Almost surely, 2^18069005241 is an apocalyptic number.

18069005241 is the 134421-st square number.

18069005241 is the 67211-st centered octagonal number.

It is an amenable number.

18069005241 is a deficient number, since it is larger than the sum of its proper divisors (13315991220).

18069005241 is an equidigital number, since it uses as much as digits as its factorization.

18069005241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Multiplying 18069005241 by its sum of digits (36), we get a square (650484188676 = 806526²).

The spelling of 18069005241 in words is "eighteen billion, sixty-nine million, five thousand, two hundred forty-one".