9018394241 has 8 divisors (see below), whose sum is σ = 9041367744. Its totient is φ = 8995446160.

The previous prime is 9018394237. The next prime is 9018394249. The reversal of 9018394241 is 1424938109.

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

It is a cyclic number.

It is not a de Polignac number, because 9018394241 - 2² = 9018394237 is a prime.

It is a super-2 number, since 2×9018394241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9018394249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842996 + ... + 853626.

It is an arithmetic number, because the mean of its divisors is an integer number (1130170968).

Almost surely, 2^9018394241 is an apocalyptic number.

It is an amenable number.

9018394241 is a deficient number, since it is larger than the sum of its proper divisors (22973503).

9018394241 is a wasteful number, since it uses less digits than its factorization.

9018394241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12711.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 9018394241 is about 94965.2264831712. The cubic root of 9018394241 is about 2081.4999536561.

The spelling of 9018394241 in words is "nine billion, eighteen million, three hundred ninety-four thousand, two hundred forty-one".