18674119481 has 8 divisors (see below), whose sum is σ = 19640219904. Its totient is φ = 17730750960.

The previous prime is 18674119459. The next prime is 18674119483. The reversal of 18674119481 is 18491147681.

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 18674119481 - 2²² = 18669925177 is a prime.

It is a super-2 number, since 2×18674119481² (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 (18674119483) 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, 5681291 + ... + 5684576.

It is an arithmetic number, because the mean of its divisors is an integer number (2455027488).

Almost surely, 2^18674119481 is an apocalyptic number.

It is an amenable number.

18674119481 is a deficient number, since it is larger than the sum of its proper divisors (966100423).

18674119481 is a wasteful number, since it uses less digits than its factorization.

18674119481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365951.

The product of its digits is 387072, while the sum is 50.

The spelling of 18674119481 in words is "eighteen billion, six hundred seventy-four million, one hundred nineteen thousand, four hundred eighty-one".