18730370013 has 16 divisors (see below), whose sum is σ = 25817668800. Its totient is φ = 12070581120.

The previous prime is 18730369997. The next prime is 18730370027. The reversal of 18730370013 is 31007303781.

It is not a de Polignac number, because 18730370013 - 2⁴ = 18730369997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18730370033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685123 + ... + 711936.

It is an arithmetic number, because the mean of its divisors is an integer number (1613604300).

Almost surely, 2^18730370013 is an apocalyptic number.

It is an amenable number.

18730370013 is a deficient number, since it is larger than the sum of its proper divisors (7087298787).

18730370013 is a wasteful number, since it uses less digits than its factorization.

18730370013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397212.

The product of its (nonzero) digits is 10584, while the sum is 33.

Adding to 18730370013 its reverse (31007303781), we get a palindrome (49737673794).

The spelling of 18730370013 in words is "eighteen billion, seven hundred thirty million, three hundred seventy thousand, thirteen".