18394683130 has 8 divisors (see below), whose sum is σ = 33110429652. Its totient is φ = 7357873248.

The previous prime is 18394683121. The next prime is 18394683133. The reversal of 18394683130 is 3138649381.

It is a Cunningham number, because it is equal to 135627²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 18394683129 + 1 = 135627^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18394683133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919734147 + ... + 919734166.

Almost surely, 2^18394683130 is an apocalyptic number.

18394683130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18394683130 is a deficient number, since it is larger than the sum of its proper divisors (14715746522).

18394683130 is a wasteful number, since it uses less digits than its factorization.

18394683130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839468320.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 18394683130 in words is "eighteen billion, three hundred ninety-four million, six hundred eighty-three thousand, one hundred thirty".