18213358103707 has 4 divisors (see below), whose sum is σ = 19614385650160. Its totient is φ = 16812330557256.

The previous prime is 18213358103687. The next prime is 18213358103711. The reversal of 18213358103707 is 70730185331281.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18213358103707 - 2⁷ = 18213358103579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18213358103737) 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, 700513773207 + ... + 700513773232.

It is an arithmetic number, because the mean of its divisors is an integer number (4903596412540).

Almost surely, 2^{18213358103707} is an apocalyptic number.

18213358103707 is a deficient number, since it is larger than the sum of its proper divisors (1401027546453).

18213358103707 is a wasteful number, since it uses less digits than its factorization.

18213358103707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401027546452.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 18213358103707 in words is "eighteen trillion, two hundred thirteen billion, three hundred fifty-eight million, one hundred three thousand, seven hundred seven".