18044141797 has 8 divisors (see below), whose sum is σ = 19740286080. Its totient is φ = 16357292160.

The previous prime is 18044141789. The next prime is 18044141803. The reversal of 18044141797 is 79714144081.

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

It is not a de Polignac number, because 18044141797 - 2³ = 18044141789 is a prime.

It is a super-3 number, since 3×18044141797³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18044141747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319597 + ... + 2327362.

It is an arithmetic number, because the mean of its divisors is an integer number (2467535760).

Almost surely, 2^18044141797 is an apocalyptic number.

It is an amenable number.

18044141797 is a deficient number, since it is larger than the sum of its proper divisors (1696144283).

18044141797 is a wasteful number, since it uses less digits than its factorization.

18044141797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647323.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 18044141797 in words is "eighteen billion, forty-four million, one hundred forty-one thousand, seven hundred ninety-seven".